Entity Central Index Key
Accrued of final payment fee.
Cover [Abstract]
Document Type
Document Type
Amendment Flag
Amendment Flag
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Trading Symbol
Trading Symbol
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Entity Small Business
Entity Small Business
Entity Emerging Growth Company
Entity Emerging Growth Company
Entity Ex Transition Period
Entity Ex Transition Period
Entity Common Stock, Shares Outstanding
Entity Common Stock Shares Outstanding
Entity Shell Company
Entity Shell Company
Entity Well-known Seasoned Issuer
Entity Well Known Seasoned Issuer
Entity Voluntary Filers
Entity Voluntary Filers
Entity Current Reporting Status
Entity Current Reporting Status
Entity Public Float
Entity Public Float
Title of 12(b) Security
Security12b Title
Entity File Number
Entity File Number
Entity Incorporation, State or Country Code
Entity Incorporation State Country Code
Entity Tax Identification Number
Entity Tax Identification Number
Entity Interactive Data Current
Entity Interactive Data Current
Security Exchange Name
Security Exchange Name
Entity Address, Address Line One
Entity Address Address Line1
Entity Address, City or Town
Entity Address City Or Town
Entity Address, State or Province
Entity Address State Or Province
Entity Address, Postal Zip Code
Entity Address Postal Zip Code
City Area Code
City Area Code
Local Phone Number
Local Phone Number
Document Annual Report
Document Annual Report
Document Transition Report
Document Transition Report
ICFR Auditor Attestation Flag
Icfr Auditor Attestation Flag
Statement Of Financial Position [Abstract]
Assets
Assets [Abstract]
Current assets:
Assets Current [Abstract]
Cash and cash equivalents
Cash And Cash Equivalents At Carrying Value
Accounts receivable, net
Accounts Receivable Net Current
Inventory
Inventory Net
Current portion of net investments in sales-type leases
Net Investment In Lease Current
Current portion of prepaid commission expense
Prepaid Expense Current
Prepaid expenses and other current assets
Prepaid Expense And Other Assets Current
Total current assets
Assets Current
Property and equipment, net
Property Plant And Equipment Net
Operating lease right-of-use assets
Operating Lease Right Of Use Asset
Net investments in sales-type leases
Net Investment In Lease Noncurrent
Prepaid commission expense
Prepaid Expense Noncurrent
Other assets
Other Assets Noncurrent
Total Assets
Assets
Liabilities and Stockholders’ Equity
Liabilities And Stockholders Equity [Abstract]
Current liabilities:
Liabilities Current [Abstract]
Accounts payable
Accounts Payable Current
Accrued expenses
Accrued Liabilities Current
Deferred revenue
Deferred Revenue Current
Current portion of operating lease liabilities
Operating Lease Liability Current
Current portion of long-term debt, net
Long Term Debt Current
Total current liabilities
Liabilities Current
Long-term debt, net
Long Term Debt Noncurrent
Deferred revenue
Deferred Revenue Noncurrent
Operating lease liabilities
Operating Lease Liability Noncurrent
Total Liabilities
Liabilities
Commitments and contingencies (Note 17)
Commitments And Contingencies
Stockholders’ Equity:
Stockholders Equity [Abstract]
Preferred stock, $0.01 par value: 10,000 shares authorized; no shares issued or outstanding at December 31, 2020 and 2019, respectively
Preferred Stock Value
Common stock, $0.01 par value: 200,000 shares authorized; 19,114 and 18,645 shares issued and outstanding at December 31, 2020 and 2019, respectively
Common Stock Value
Additional paid-in capital
Additional Paid In Capital Common Stock
Accumulated deficit
Retained Earnings Accumulated Deficit
Total Stockholders' Equity
Stockholders Equity
Total Liabilities and Stockholders’ Equity
Liabilities And Stockholders Equity
Preferred stock, par value
Preferred Stock Par Or Stated Value Per Share
Preferred stock, shares authorized
Preferred Stock Shares Authorized
Preferred stock, shares issued
Preferred Stock Shares Issued
Preferred stock, shares outstanding
Preferred Stock Shares Outstanding
Common stock, par value
Common Stock Par Or Stated Value Per Share
Common stock, shares authorized
Common Stock Shares Authorized
Common stock, shares issued
Common Stock Shares Issued
Common stock, shares outstanding
Common Stock Shares Outstanding
Income Statement [Abstract]
Revenues
Revenue From Contract With Customer Excluding Assessed Tax
Cost of revenues
Cost Of Goods And Services Sold
Gross Profit
Gross Profit
Operating expenses:
Operating Expenses [Abstract]
Sales and marketing
Selling And Marketing Expense
General and administrative
General And Administrative Expense
Research and development
Research And Development Expense
Total operating expenses
Operating Expenses
Loss from Operations
Operating Income Loss
Other (income) expense:
Other Nonoperating Income Expense [Abstract]
Interest expense
Interest Expense
Loss on extinguishment of debt
Gains Losses On Extinguishment Of Debt
Other (income) expense, net
Other Nonoperating Income Expense
Net Loss
Net Income Loss
Net loss per share of common stock outstanding, basic and diluted
Earnings Per Share Basic And Diluted
Weighted-average common shares outstanding, basic and diluted
Weighted Average Number Of Share Outstanding Basic And Diluted
Adjustments to additional paid in capital, conversion of convertible preferred stock warrants into common stock warrants.
Statement Of Stockholders Equity [Abstract]
Statement [Table]
Statement [Table]
Equity Components
Statement Equity Components [Axis]
Equity Component
Equity Component [Domain]
Common Stock
Common Stock [Member]
Additional Paid-in Capital
Additional Paid In Capital [Member]
Accumulated Deficit
Retained Earnings [Member]
Class of Stock
Statement Class Of Stock [Axis]
Class of Stock
Class Of Stock [Domain]
Convertible Preferred Stock
Convertible Preferred Stock [Member]
Statement [Line Items]
Statement [Line Items]
Beginning balance
Beginning balance, shares
Temporary Equity Shares Outstanding
Beginning balance
Temporary Equity Carrying Amount Attributable To Parent
Beginning balance, shares
Shares Outstanding
Conversion of convertible preferred stock into common stock
Stock Issued During Period Value Conversion Of Convertible Securities
Conversion of convertible preferred stock into common stock, shares
Stock Issued During Period Shares Conversion Of Convertible Securities
Conversion of convertible preferred stock warrants into common stock warrants
Adjustments To Additional Paid In Capital Conversion Of Convertible Preferred Stock Warrants Into Common Stock Warrants
Issuance of common stock in initial public offering, net of issuance costs of $3,463
Stock Issued During Period Value New Issues
Issuance of common stock in initial public offering, net of issuance costs of $3.464, shares
Stock Issued During Period Shares New Issues
Share-based awards and options exercises
Stock Issued During Period Value Stock Options Exercised
Share-based awards and options exercises, shares
Stock Issued During Period Shares Stock Options Exercised
Share-based compensation expense
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
Net loss
Ending balance
Ending balance, shares
Ending balance
Ending balance, shares
Issuance costs on issuance of common stock.
Issuance of common stock in initial public offering, issuance costs
Issuance Costs On Issuance Of Common Stock
Cost of rental units purchased by customers.
Non cash gains losses on extinguishment of debt.
Increase decrease in net investment in sales type leases.
Increase decrease in leasehold reimbursement.
Increase (decrease) in prepaid commission expense.
Transfer of inventory to property and equipment.
Value of convertible preferred stock warrant liability converted to additional paid in capital related to conversion of convertible preferred stock warrants into common stock warrants.
Statement Of Cash Flows [Abstract]
Cash Flows from Operating Activities:
Net Cash Provided By Used In Operating Activities [Abstract]
Net loss
Profit Loss
Adjustments to reconcile net loss to net cash used in operating activities:
Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract]
Depreciation and amortization
Depreciation Depletion And Amortization
Share-based compensation
Share Based Compensation
Non-cash interest expense
Amortization Of Financing Costs And Discounts
Change in fair value of convertible preferred stock warrant liability
Fair Value Adjustment Of Warrants
Cost of rental units purchased by customers
Cost Of Rental Units Purchased By Customers
Loss on extinguishment of debt
Non Cash Gains Losses On Extinguishment Of Debt
Changes in certain assets and liabilities:
Increase Decrease In Operating Capital [Abstract]
Accounts receivable, net
Increase Decrease In Accounts Receivable
Inventory
Increase Decrease In Inventories
Net investments in sales-type leases
Increase Decrease In Net Investment In Sales Type Leases
Leasehold reimbursement
Increase Decrease In Leasehold Reimbursement
Prepaid commission expense
Increase Decrease In Prepaid Commission Expense
Prepaid expenses and other assets
Increase Decrease In Prepaid Expenses Other
Accounts payable
Increase Decrease In Accounts Payable
Accrued expenses
Increase Decrease In Accrued Liabilities
Deferred revenue
Increase Decrease In Contract With Customer Liability
Deferred rent
Increase Decrease In Deferred Leasing Fees
Net Cash Used in Operating Activities
Net Cash Provided By Used In Operating Activities
Cash Flows from Investing Activities:
Net Cash Provided By Used In Investing Activities [Abstract]
Purchases of property and equipment and capitalized software
Payments To Acquire Productive Assets
Net Cash Used in Investing Activities
Net Cash Provided By Used In Investing Activities
Cash Flows from Financing Activities:
Net Cash Provided By Used In Financing Activities [Abstract]
Proceeds from issuance of long-term debt
Proceeds From Issuance Of Long Term Debt
Repayment of long-term debt
Repayments Of Long Term Debt
Payments of debt issuance costs
Payments Of Debt Issuance Costs
Proceeds from exercises of stock options
Proceeds From Stock Options Exercised
Proceeds from issuance of common stock in initial public offering
Proceeds From Issuance Initial Public Offering
Payments of public offering costs
Payments Of Stock Issuance Costs
Net Cash Provided by Financing Activities
Net Cash Provided By Used In Financing Activities
Net (Decrease) Increase in Cash and Cash Equivalents
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect
Cash and Cash Equivalents, Beginning of Year
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
Cash and Cash Equivalents, End of Year
Supplemental disclosure of cash flow information:
Supplemental Cash Flow Information [Abstract]
Cash paid for interest
Interest Paid Net
Transfer of inventory to property and equipment
Transfer Of Inventory To Property And Equipment
Supplemental disclosure of non-cash investing and financing activities:
Cash Flow Noncash Investing And Financing Activities Disclosure [Abstract]
Purchases of property and equipment and capitalized software in accounts payable and accrued expenses
Capital Expenditures Incurred But Not Yet Paid
Conversion of convertible preferred stock into common stock
Conversion Of Stock Amount Converted1
Conversion of convertible preferred stock warrants into common stock warrants
Conversion Of Convertible Preferred Stock Warrants Into Common Stock Warrant
Documents Incorporated by Reference
Documents Incorporated By Reference [Text Block]
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Description of Business
Nature Of Operations
Accounting Policies [Abstract]
Basis of Presentation
Basis Of Accounting
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
New Accounting Pronouncements And Changes In Accounting Principles [Abstract]
Recent Accounting Pronouncements
New Accounting Pronouncements And Changes In Accounting Principles [Text Block]
Fair Value Disclosures [Abstract]
Fair Value Measurement and Financial Instruments
Fair Value Disclosures [Text Block]
Receivables [Abstract]
Accounts Receivable
Loans Notes Trade And Other Receivables Disclosure [Text Block]
Property Plant And Equipment [Abstract]
Property and Equipment and Capitalized Software
Property Plant And Equipment Disclosure [Text Block]
Leases of lessee and lessor.
Leases [Abstract]
Leases
Leases Of Lessee And Lessor Disclosure [Text Block]
Amortization Of Deferred Charges [Abstract]
Prepaid Commission Expense
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Text Block]
Payables And Accruals [Abstract]
Accrued Expenses
Accounts Payable And Accrued Liabilities Disclosure [Text Block]
Debt Disclosure [Abstract]
Debt
Debt Disclosure [Text Block]
Equity [Abstract]
Convertible Preferred Stock and Stockholders' Deficit
Stockholders Equity Note Disclosure [Text Block]
Earnings Per Share [Abstract]
Loss Per Share
Earnings Per Share [Text Block]
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Share-based Compensation
Disclosure Of Compensation Related Costs Share Based Payments [Text Block]
Compensation And Retirement Disclosure [Abstract]
Employee Benefit Plans
Compensation And Employee Benefit Plans Other Than Share Based Compensation [Text Block]
Income Tax Disclosure [Abstract]
Income Taxes
Income Tax Disclosure [Text Block]
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies
Commitments And Contingencies Disclosure [Text Block]
Distribution Agreement with Teijin Pharma Limited
Collaborative Arrangement Disclosure [Text Block]
Segments Geographical Areas [Abstract]
Geographical Segment Information
Segment Reporting Disclosure [Text Block]
Restructuring And Related Activities [Abstract]
Severance
Restructuring And Related Activities Disclosure [Text Block]
Quarterly Financial Information Disclosure [Abstract]
Supplementary Financial Information (Unaudited)
Quarterly Financial Information [Text Block]
Subsequent Events [Abstract]
Subsequent Events
Subsequent Events [Text Block]
Use of Estimates
Use Of Estimates
Cash and Cash Equivalents
Cash And Cash Equivalents Policy [Text Block]
Concentration of Credit Risk
Concentration Risk Credit Risk
Allowance for Doubtful Accounts
Receivables Trade And Other Accounts Receivable Allowance For Doubtful Accounts Policy
Leases.
Leases
Leases Policy [Text Block]
Inventory
Inventory Policy [Text Block]
Property and Equipment and Capitalized Software
Property Plant And Equipment Policy [Text Block]
Impairment of Long-Lived Assets
Impairment Or Disposal Of Long Lived Assets Policy [Text Block]
Deferred Debt Issuance Costs
Deferred Charges Policy [Text Block]
Revenue Recognition
Revenue From Contract With Customer Policy [Text Block]
Research and Development Expenses
Research And Development Expense Policy
Share-based Compensation
Compensation Related Costs Policy [Text Block]
Income Taxes
Income Tax Policy [Text Block]
Summary of Impact of Adoption on Prepaid Commissions Expense on Balance Sheet and Statement of Operations
Schedule Of New Accounting Pronouncements And Changes In Accounting Principles [Text Block]
Summary of Percentages of Deferred Revenue by Year
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Table [Text Block]
Schedule of Carrying Amounts and Fair Values of Financial Instruments
Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table [Text Block]
Composition of Accounts Receivable, Net
Schedule Of Accounts Notes Loans And Financing Receivable [Text Block]
Allowance for Doubtful Accounts
Allowance For Credit Losses On Financing Receivables Table [Text Block]
Summary of Composition of Property and Equipment, Net
Property Plant And Equipment [Text Block]
Schedule of supplemental cash flow information related to leases.
Schedule of Supplemental Cash Flow Information as Lessee Related to Leases
Schedule Of Supplemental Cash Flow Information Related To Leases Table [Text Block]
Schedule of Future Payments of Operating Lease Liabilities
Lessee Operating Lease Liability Maturity Table [Text Block]
Schedule of Profit Recognized on Sales-type Leases
Sales Type Lease Lease Income Table [Text Block]
Schedule of Maturity Analysis of Undiscounted Lease Receivables Related to Sales-type Leases
Sales Type And Direct Financing Leases Lease Receivable Maturity Table [Text Block]
Schedule of Maturity Analysis of Undiscounted Lease Receivable Related to Operating Leases
Lessor Operating Lease Payments To Be Received Maturity Table [Text Block]
Summary of Composition of Accrued Expenses
Schedule Of Accrued Liabilities Table [Text Block]
Summary of Composition of Debt
Schedule Of Debt Instruments [Text Block]
Summary of Future Principal Payments
Schedule Of Maturities Of Long Term Debt Table [Text Block]
Summary of Common Stock Issued and Reserved for Issuance
Schedule Of Stock By Class [Text Block]
Summary of Outstanding Warrants
Schedule Of Stockholders Equity Note Warrants Or Rights [Text Block]
Schedule of Potentially Dilutive Securities Outstanding Excluded from Diluted Loss Per Share Calculation
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block]
Summary of Share-Based Compensation Expense
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block]
Summary of Stock Option Activity
Schedule Of Share Based Compensation Stock Options Activity Table [Text Block]
Summary of Weighted-average Inputs and Assumptions used to Estimate Grant-date Fair Value of Stock Options
Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block]
Summary of Restricted Stock Award and Restricted Stock Unit Activity
Schedule Of Share Based Compensation Restricted Stock Units Award Activity Table [Text Block]
Schedule of Reconciliation of Statutory Federal Income Tax Rate
Schedule Of Effective Income Tax Rate Reconciliation Table [Text Block]
Schedule of Deferred Tax Assets
Schedule Of Deferred Tax Assets And Liabilities Table [Text Block]
Summary of Changes in Valuation Allowance
Summary Of Valuation Allowance [Text Block]
Summary of Net Operating Loss Carryforwards and Tax Credits
Summary Of Operating Loss Carryforwards [Text Block]
Geographical
Statement Geographical [Axis]
Geographical
Segment Geographical [Domain]
United States
UNITED STATES
International
Non Us [Member]
Summary of Revenue Generated in Geographic Regions for Years Indicated
Revenue From External Customers By Geographic Areas Table [Text Block]
Summary of Revenue Generated in Product Category for Years Indicated
Schedule Of Entity Wide Information Revenue From External Customers By Products And Services [Text Block]
Summary of Selected Financial Information for Quarterly Periods
Schedule Of Quarterly Financial Information Table [Text Block]
Description of business.
Description of Business.
Description Of Business [Table]
Description Of Business [Table]
Credit Facility
Credit Facility [Axis]
Credit Facility
Credit Facility [Domain]
Paycheck Protection Program.
Paycheck Protection Program (the “PPP”)
Paycheck Protection Program [Member]
Lender Name
Line Of Credit Facility [Axis]
Line of Credit Facility, Lender
Line Of Credit Facility Lender [Domain]
Silicon Valley Bank.
Silicon Valley Bank
Silicon Valley Bank [Member]
Thirty five million credit facility.
$35.0 Million Credit Facility
Thirty Five Million Credit Facility [Member]
Subsequent Event Type
Subsequent Event Type [Axis]
Subsequent Event Type
Subsequent Event Type [Domain]
Subsequent Event
Subsequent Event [Member]
Oxford Finance LLC.
Oxford Finance LLC
Oxford Finance Limited Liability Company [Member]
Description Of Business [Line Items]
Description Of Business [Line Items]
Unsecured debt
Unsecured Debt
Accumulated deficit
Cash flows from operating activities
Borrowings outstanding under credit facility
Line Of Credit
Credit facility maturity date
Line Of Credit Facility Expiration Date1
Common stock offering, net proceeds
Proceeds From Issuance Of Common Stock
Summary of significant accounting policies line items.
Summary of significant accounting policy table.
Summary Of Significant Accounting Policies [Table]
Summary Of Significant Accounting Policies [Table]
Long-Lived Tangible Asset
Property Plant And Equipment By Type [Axis]
Long-Lived Tangible Asset
Property Plant And Equipment Type [Domain]
Computers and software.
Computers and Software
Computers And Software [Member]
Laboratory and office equipment.
Laboratory and Office Equipment
Laboratory And Office Equipment [Member]
Devices in the rental agreement program.
Devices in Rental Agreement Program
Devices In Rental Agreement Program [Member]
Leasehold Improvements
Leasehold Improvements [Member]
Capitalized Software
Software And Software Development Costs [Member]
Accounting Standards Update
Adjustments For New Accounting Pronouncements [Axis]
Accounting Standards Update
Type Of Adoption [Member]
ASU 2014-09
Accounting Standards Update201409 [Member]
Initial Application Period Cumulative Effect Transition
Initial Application Period Cumulative Effect Transition [Axis]
Initial Application Period Cumulative Effect Transition
Initial Application Period Cumulative Effect Transition [Domain]
Difference between Revenue Guidance in Effect before and after Topic 606
Difference Between Revenue Guidance In Effect Before And After Topic606 [Member]
Measurement Input Type
Measurement Input Type [Axis]
Measurement Input Type
Measurement Input Type [Domain]
Measurement Input, Expected Dividend Rate
Measurement Input Expected Dividend Rate [Member]
Summary Of Significant Accounting Policies [Line Items]
Summary Of Significant Accounting Policies [Line Items]
Cash held on deposits at financial institution in excess of FDIC Insured limit
Time Deposits At Or Above F D I C Insurance Limit
Property and equipment estimated useful life
Property Plant And Equipment Useful Life
Impairment of long-lived assets
Impairment Of Long Lived Assets Held For Use
Impact to revenue
New Accounting Pronouncements Or Change In Accounting Principle [Table]
New Accounting Pronouncements Or Change In Accounting Principle [Table]
Balance Sheet Location
Balance Sheet Location [Axis]
Balance Sheet Location
Balance Sheet Location [Domain]
Balance sheet.
Balance Sheet
Balance Sheet [Member]
Income Statement Location
Income Statement Location [Axis]
Income Statement Location
Income Statement Location [Domain]
Income statement.
Income Statement
Income Statement [Member]
Revision of Prior Period
Restatement [Axis]
Revision of Prior Period
Restatement [Domain]
Balance Without Adoption of ASC 606
Scenario Previously Reported [Member]
Effect of Change Higher/(Lower)
Restatement Adjustment [Member]
ASC 606
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Revenue, performance obligation, description of warranty
Revenue Performance Obligation Description Of Warranty
Right of return or refund
Contract With Customer Right To Recover Product
Distribution Agreement Period
Distribution agreement renewal period.
Term of distribution agreement
Distribution Agreement Period
Distribution agreement, renewal period
Distribution Agreement Renewal Period
Revenue Performance Obligation Satisfied Over Time [Abstract]
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Table]
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Table]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Start Date [Axis]
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Revenue, remaining performance obligation
Revenue Remaining Performance Obligation Percentage
Revenue, remaining performance obligation, expected timing of satisfaction, period
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1
Revenue recognized
Contract With Customer Liability Revenue Recognized
Number of customer accounted for more than 10% of revenues.
Number of customer accounted for more than 10% of revenues
Number Of Customer Accounted For More Than Ten Percentage Of Revenues
Dividend yield percentage
Alternative Investment Measurement Input
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Investment Type
Investment Type [Axis]
Investments
Investment Type Categorization [Member]
Money market funds
Money Market Funds [Member]
Fair Value Hierarchy and NAV
Fair Value By Fair Value Hierarchy Level [Axis]
Fair Value Hierarchy and NAV
Fair Value Measurements Fair Value Hierarchy [Domain]
Quoted Prices In Active Markets (Level 1)
Fair Value Inputs Level1 [Member]
Significant other Observable Inputs (Level 2)
Fair Value Inputs Level2 [Member]
Significant Unobservable Inputs (Level 3)
Fair Value Inputs Level3 [Member]
Measurement Basis
Fair Value By Measurement Basis [Axis]
Fair Value Disclosure Item Amounts [Default]
Portion At Fair Value Fair Value Disclosure [Member]
Fair Value Measurement
Fair Value Disclosure Item Amounts [Domain]
Carrying Amount
Carrying Reported Amount Fair Value Disclosure [Member]
Fair Value
Estimate Of Fair Value Fair Value Disclosure [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets
Assets Fair Value Disclosure [Abstract]
Total assets
Assets Fair Value Disclosure
Gross accounts receivable - trade
Accounts Receivable Gross Current
Less: Allowances for doubtful accounts
Allowance For Doubtful Accounts Receivable Current
Accounts receivable, net
Balance at Beginning of Period
Bad Debt Expense Recognized
Provision For Doubtful Accounts
Write-offs of Uncollectible Balances
Allowance For Doubtful Accounts Receivable Write Offs
Balance at End of Period
Schedule Of Property Plant And Equipment [Table]
Schedule Of Property Plant And Equipment [Table]
Laboratory Equipment
Equipment [Member]
Office Equipment
Office Equipment [Member]
Computer Equipment and Software
Computer Equipment [Member]
Manufacturing Equipment
Manufacturing Facility [Member]
Rental Equipment
Equipment Leased To Other Party [Member]
Property Plant And Equipment [Line Items]
Property Plant And Equipment [Line Items]
Property and equipment, gross
Property Plant And Equipment Gross
Less: Accumulated depreciation
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Property and equipment, net
Other Assets [Member]
Other Assets [Member]
Depreciation and amortization expense
Depreciation And Amortization
Capitalized software cost, net
Capitalized Computer Software Net
Area of lease facility.
Lessee operating lease extended date of maturity month and year.
Additional lease facility area through modification of contract.
Aggregate area of lease facility.
Lessee operating lease date of maturity month and year.
Leases.
Leases.
Leases [Table]
Leases [Table]
Headquarters and office equipment, including copiers.
Headquarters and Office Equipment, Including Copiers
Headquarters And Office Equipment Including Copiers [Member]
Office equipment, including copiers.
Office Equipment, Including Copiers
Office Equipment Including Copiers [Member]
Product and Service
Product Or Service [Axis]
Product and Service
Products And Services [Domain]
NeuroStar Advanced Therapy Systems.
NeuroStar Advanced Therapy Systems
Neuro Star Advanced Therapy Systems [Member]
Leases [Line Items]
Leases [Line Items]
Area of lease facility
Area Of Lease Facility
Lessee, operating lease, extended maturity period
Lessee Operating Lease Extended Date Of Maturity Month And Year
Additional lease facility area acquired
Additional Lease Facility Area Through Modification Of Contract
Lessee, operating lease, existence of option to extend
Lessee Operating Lease Existence Of Option To Extend
Combined area of lease facility
Aggregate Area Of Lease Facility
Description of option to extend lease facility
Lessee Operating Lease Option To Extend
Lessee, operating lease, renewal term
Lessee Operating Lease Renewal Term
Lessee, operating lease, maturity period
Lessee Operating Lease Date Of Maturity Month And Year
Lessee, finance lease, lease not yet commenced, description
Lessee Finance Lease Lease Not Yet Commenced Description
Operating lease, rent expense, net
Operating Lease Expense
Operating lease, weighted-average remaining lease term
Operating Lease Weighted Average Remaining Lease Term1
Operating lease, weighted-average discount rate
Operating Lease Weighted Average Discount Rate Percent
Cash paid for amounts included in the measurement of lease liabilities.
Right of use assets obtained in exchange for lease obligations.
Lessee Disclosure [Abstract]
Cash paid for amounts included in the measurement of lease liabilities:
Cash Paid For Amounts Included In Measurement Of Lease Liabilities [Abstract]
Operating cash flows from operating leases
Operating Lease Payments
Right-of-use assets obtained in exchange for lease obligations:
Right Of Use Assets Obtained In Exchange For Lease Obligations [Abstract]
Operating leases
Right Of Use Asset Obtained In Exchange For Operating Lease Liability
Operating Lease Liabilities Payments Due [Abstract]
2021
Lessee Operating Lease Liability Payments Due Next Twelve Months
2022
Lessee Operating Lease Liability Payments Due Year Two
2023
Lessee Operating Lease Liability Payments Due Year Three
2024
Lessee Operating Lease Liability Payments Due Year Four
2025
Lessee Operating Lease Liability Payments Due Year Five
Thereafter
Lessee Operating Lease Liability Payments Due After Year Five
Total lease payments
Lessee Operating Lease Liability Payments Due
Less imputed interest
Lessee Operating Lease Liability Undiscounted Excess Amount
Present value of operating lease liabilities
Operating Lease Liability
Lessor sales-type lease, Term
Lessor Sales Type Lease Term Of Contract1
Sales Type Lease Lease Income [Abstract]
Profit recognized at commencement, net
Sales Type Lease Selling Profit Loss
Interest Income
Sales Type Lease Interest Income
Total sales-type lease income
Sales Type Lease Lease Income
Sales Type And Direct Financing Leases Lease Receivable Fiscal Year Maturity [Abstract]
2021
Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Next Twelve Months
2022
Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Two Years
2023
Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Three Years
Total sales-type lease receivables
Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received
Carrying amount of lease receivables
Sales Type Lease Lease Receivable
Unguaranteed residual assets
Sales Type Lease Unguaranteed Residual Asset
Operating lease income
Operating Lease Lease Income
Lessor Operating Lease Payments Fiscal Year Maturity [Abstract]
2021
Lessor Operating Lease Payments To Be Received Next Twelve Months
Total lease receivables
Lessor Operating Lease Payments To Be Received
Rental equipment depreciation expense
Depreciation
Amortization period of deferred sales commissions.
Amortization period of deferred commissions
Amortization Period Of Deferred Sales Commissions
Amortization expense
Amortization Of Deferred Sales Commissions
Accrued research and development expense current.
Compensation and related benefits
Accrued Employee Benefits Current
Consulting and professional fees
Accrued Professional Fees Current
Research and development expenses
Accrued Research And Development Expense Current
Warranty
Product Warranty Accrual Classified Current
Sales tax payable
Taxes Payable Current
Interest payable
Interest Payable Current
Other
Other Liabilities Current
Accrued expenses
Outstanding principal
Debt Instrument Carrying Amount
Accrued final payment fees
Accrued Of Final Payment Fee
Less debt discounts
Debt Instrument Unamortized Discount
Total long-term debt, net
Long Term Debt
Less current portion of long-term debt
Debt Instrument [Table]
Debt Instrument [Table]
Solar Capital Ltd.
Solar Capital Ltd
Solar Capital Ltd [Member]
Fifty million credit facility.
$50.0 Million Credit Facility
Fifty Million Credit Facility [Member]
Fifteen million credit facility.
$15 Million Credit Facility
Fifteen Million Credit Facility [Member]
Debt Instrument
Debt Instrument [Axis]
Debt Instrument, Name
Debt Instrument Name [Domain]
Term A Loan.
Term A Loan
Term A Loan [Member]
Term B Loan.
Term B Loan
Term B Loan [Member]
Term A loan and Term B loan.
Term A Loan and Term B Loan
Term A Loan And Term B Loan [Member]
Debt Instrument, Redemption, Period
Debt Instrument Redemption Period [Axis]
Debt Instrument, Redemption, Period
Debt Instrument Redemption Period [Domain]
Prepaid on or Before First Anniversary of Funding
Debt Instrument Redemption Period One [Member]
Prepaid After First and on or Before Second Anniversary of Funding
Debt Instrument Redemption Period Two [Member]
Prepaid After Second Anniversary of Funding
Debt Instrument Redemption Period Three [Member]
Five Million Credit Facility.
$5.0 Million Credit Facility
Five Million Credit Facility [Member]
Statistical Measurement
Range [Axis]
Statistical Measurement
Range [Member]
Maximum
Maximum [Member]
Minimum
Minimum [Member]
Term C loan.
Term C Loan
Term C Loan [Member]
Variable Rate
Variable Rate [Axis]
Variable Rate
Variable Rate [Domain]
London Interbank Offered Rate (LIBOR)
London Interbank Offered Rate L I B O R [Member]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Interest expense
Interest Expense Borrowings
Cash interest expense
Interest Expense Debt
Non-cash interest expense
Amortization Of Financing Costs
Line of credit facility, maximum borrowing capacity
Line Of Credit Facility Maximum Borrowing Capacity
Term loans number of tranches.
Line of credit facility, conversion to term loan, conditions
Line Of Credit Facility Covenant Terms
Term loans number of tranches
Term Loans Number Of Tranches
Line of credit facility interest-only period.
Line of credit facility interest only period extension upon achievement of revenues.
Number of default events.
Basis spread on variable rate
Debt Instrument Basis Spread On Variable Rate1
Interest rate
Debt Instrument Interest Rate Stated Percentage
Interest-only period
Line Of Credit Facility Interest Only Period
Interest-only period upon achievement of revenues
Line Of Credit Facility Interest Only Period Extension Upon Achievement Of Revenues
Number of default events
Number Of Default Events
Line of credit facility, conversion to term loan, conditions
Line Of Credit Facility Borrowing Capacity Description
Line of credit facility increase in final payment fees percentage upon extension interest only periods.
Line of credit facility prepayment fees percentage.
Increase in final payment fees percentage upon extension interest only periods
Line Of Credit Facility Increase In Final Payment Fees Percentage Upon Extension Interest Only Periods
Prepayment fees percentage
Line Of Credit Facility Prepayment Fees Percentage
Trailing twelve month net product revenue first threshold limit to pay exit fee.
Trailing twelve month net product revenue second threshold limit to pay exit fee.
Percentage of exit fee for liquidation dissolution winding up or change of control.
Percentage of exit fee upon achievement of any trailing twelve month revenues.
Percentage of exit fee upon achievement of both trailing twelve month revenues.
Capped exit fee percentage on term loan principal amount.
Trailing twelve month net product revenue first threshold limit to pay exit fee
Trailing Twelve Month Net Product Revenue First Threshold Limit To Pay Exit Fee
Trailing twelve month net product revenue Second threshold limit to pay exit fee
Trailing Twelve Month Net Product Revenue Second Threshold Limit To Pay Exit Fee
Percentage of exit fee for liquidation, dissolution, winding up or change of control of the Company
Percentage Of Exit Fee For Liquidation Dissolution Winding Up Or Change Of Control
Percentage of exit fee upon achievement of any trailing twelve month revenues
Percentage Of Exit Fee Upon Achievement Of Any Trailing Twelve Month Revenues
Percentage of exit fee upon achievement of both trailing twelve month revenues
Percentage Of Exit Fee Upon Achievement Of Both Trailing Twelve Month Revenues
Capped exit fee percentage on term loan principal amount
Capped Exit Fee Percentage On Term Loan Principal Amount
Extended period of interest only term loan.
Amendment fee payable.
Extended period of interest only term loan
Extended Period Of Interest Only Term Loan
Amendment fee Payable
Amendment Fee Payable
2021
Long Term Debt Maturities Repayments Of Principal In Next Twelve Months
2022
Long Term Debt Maturities Repayments Of Principal In Year Two
2023
Long Term Debt Maturities Repayments Of Principal In Year Three
2024
Long Term Debt Maturities Repayments Of Principal In Year Four
2025
Long Term Debt Maturities Repayments Of Principal In Year Five
Total principal payments
The floor interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding, including current maturities, which accrues interest at a rate subject to change from time to time.
Line of credit facility, current borrowing capacity
Line Of Credit Facility Current Borrowing Capacity
Debt instrument, interest rate
Long Term Debt Percentage Bearing Variable Interest Rate Floor
Debt instrument, description of variable rate basis
Debt Instrument Description Of Variable Rate Basis
Line of credit facility final payment fees percentage.
Debt instrument final payment fee.
Final payment fees percentage
Line Of Credit Facility Final Payment Fees Percentage
Debt instrument, final payment fee
Debt Instrument Final Payment Fee
Combined debt discount and deferred issuance costs
Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net
Stockholders' deficit.
Stockholders' deficit.
Stockholders Deficit [Table]
Stockholders Deficit [Table]
Sale of Stock
Subsidiary Sale Of Stock [Axis]
Sale of Stock
Sale Of Stock Name Of Transaction [Domain]
Initial Public Offering
I P O [Member]
Series D convertible preferred stock.
Series D Convertible Preferred Stock
Series D Convertible Preferred Stock [Member]
Series E convertible preferred stock.
Series E Convertible Preferred Stock
Series E Convertible Preferred Stock [Member]
Series F convertible preferred stock.
Series F Convertible Preferred Stock
Series F Convertible Preferred Stock [Member]
Series G convertible preferred stock.
Series G Convertible Preferred Stock
Series G Convertible Preferred Stock [Member]
Series A-2 convertible preferred stock.
Series A-2 Convertible Preferred Stock
Series A Two Convertible Preferred Stock [Member]
Series B convertible preferred stock.
Series B Convertible Preferred Stock
Series B Convertible Preferred Stock [Member]
Series C convertible preferred stock.
Series C Convertible Preferred Stock
Series C Convertible Preferred Stock [Member]
Stockholders Deficit [Line Items]
Stockholders Deficit [Line Items]
IPO closing date
Sale Of Stock Transaction Date
Common stock shares issued and sold
Issuance price per share
Share Price
Net proceeds from initial public offering
Convertible preferred stock converted into common stock
Common stock, par value per share
Common stock, shares authorized for issuance
Preferred stock, shares authorized for issuance
Preferred stock, par value per share
Common stock, shares outstanding
Shares of common stock reserved for issuance.
Common stock shares issued and reserved for future issuance.
Shares Available for Sales Under Employee Stock Purchase Plan
Employee Stock [Member]
Award Type
Award Type [Axis]
Award Type
Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain]
Stock Options Outstanding
Employee Stock Option [Member]
Shares Available for Grant Under Stock Incentive Plan
Stock Compensation Plan [Member]
Restricted Stock Units Outstanding
Restricted Stock Units R S U [Member]
Class of Warrant or Right
Class Of Warrant Or Right [Axis]
Class of Warrant or Right
Class Of Warrant Or Right [Domain]
Common stock warrants.
Common Stock Warrants Outstanding
Common Stock Warrants [Member]
Shares of common stock issued
Shares of common stock reserved for issuance for:
Shares Of Common Stock Reserved For Issuance [Abstract]
Shares of common stock reserved for issuance
Common Stock Capital Shares Reserved For Future Issuance
Total shares of common stock issued and reserved for issuance
Common Stock Shares Issued And Reserved For Future Issuance
Convertible preferred stock, shares authorized
Temporary Equity Shares Authorized
Convertible preferred stock, par value
Temporary Equity Par Or Stated Value Per Share
Conversion of preferred stock to common stock conversion ratio.
Convertible preferred stock converted to common stock, ratio
Conversion Of Preferred Stock To Common Stock Conversion Ratio
Class Of Warrant Or Right [Table]
Class Of Warrant Or Right [Table]
Exercise price range one.
Exercise Price $19.55
Exercise Price Range One [Member]
Exercise price range two.
Exercise Price $9.73
Exercise Price Range Two [Member]
Exercise price range three.
Exercise Price $9.73
Exercise Price Range Three [Member]
Exercise price range four.
Exercise Price $9.73
Exercise Price Range Four [Member]
Exercise price range five.
Exercise Price $9.73
Exercise Price Range Five [Member]
Class Of Warrant Or Right [Line Items]
Class Of Warrant Or Right [Line Items]
Warrants Outstanding
Class Of Warrant Or Right Outstanding
Exercise Price
Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1
Expiration Date
Debt Conversion Converted Instrument Expiration Or Due Date Month And Year
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]
Common Stock Warrants
Antidilutive Securities
Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis]
Antidilutive Securities, Name
Antidilutive Securities Name [Domain]
Non vested restricted stock awards.
Non-vested Restricted Stock Awards
Non Vested Restricted Stock Awards [Member]
Non-vested Restricted Stock Units
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Potentially dilutive securities outstanding excluded from diluted loss per share
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table]
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table]
Cost of Revenues
Cost Of Sales [Member]
Sales and Marketing
Selling And Marketing Expense [Member]
General and Administrative
General And Administrative Expense [Member]
Research and Development
Research And Development Expense [Member]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total
Allocated Share Based Compensation Expense
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Plan Name
Plan Name [Axis]
Plan Name
Plan Name [Domain]
2018 Equity incentive plan.
2018 Equity Incentive Plan
Two Thousand Eighteen Equity Incentive Plan [Member]
Vesting
Vesting [Axis]
Vesting
Vesting [Domain]
First Anniversary of Date of Grant
Share Based Compensation Award Tranche One [Member]
Two thousand twenty inducement incentive plan.
2020 Inducement Incentive Plan
Two Thousand Twenty Inducement Incentive Plan [Member]
Restricted stock and restricted stock units RSU.
Restricted Stock Awards and Restricted Stock Units
Restricted Stock And Restricted Stock Units R S U [Member]
Title of Individual
Title Of Individual [Axis]
Title of Individual
Title Of Individual With Relationship To Entity [Domain]
Chief Executive Officer
Chief Executive Officer [Member]
Performance restricted stock units.
PRSUs
Performance Restricted Stock Units [Member]
Four equal tranches.
Four Equal Tranches
Four Equal Tranches [Member]
Tranche Two
Share Based Compensation Award Tranche Two [Member]
Tranche Three
Share Based Compensation Award Tranche Three [Member]
Share based compensation award tranche four.
Tranche Four
Share Based Compensation Award Tranche Four [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized for issuance
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized
Maximum contractual term of stock options
Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period
Vesting percentage of stock options
Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Percentage
Vesting terms of stock options
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Rights
Shares available for future issuance
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant
Number of Shares under Option, Outstanding, Beginning balance
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
Number of Shares under Option, Granted
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
Number of Shares under Option, Exercised
Number of Shares under Option, Forfeited
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period
Number of Shares under Option, Outstanding, Ending balance
Number of Shares under Option, Exercisable
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
Number of Shares under Option, Vested and expected to vest
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number
Weighted-average Exercise Price per Option, Outstanding, Beginning balance
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
Weighted-average Exercise Price per Option, Granted
Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
Weighted-average Exercise Price per Option, Exercised
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
Weighted-average Exercise Price per Option, Forfeited
Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price
Weighted-average Exercise Price per Option, Outstanding, Ending balance
Weighted-average Exercise Price per Option, Exercisable
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
Weighted-average Exercise Price per Option, Vested and expected to vest
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price
Weighted-average Remaining Contractual Life, Outstanding
Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
Weighted-average Remaining Contractual Life, Exercisable
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
Weighted-average Remaining Contractual Life, Vested and expected to vest
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1
Aggregate Intrinsic Value, Outstanding
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
Aggregate Intrinsic Value, Exercisable
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1
Aggregate Intrinsic Value, Vested and expected to vest
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value
Share-based compensation expenses
Unrecognized compensation cost related to non-vested stock options
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options
Non-vested awards not yet recognized weighted-average period for recognition
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1
Weighted-average grant-date fair value of stock options granted
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
Intrinsic value of stock options exercised
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
Share based compensation arrangement by share based payment award options granted in period weighted average grant date fair value of underlying common stock.
Estimated fair value of common stock
Share Based Compensation Arrangement By Share Based Payment Award Options Granted In Period Weighted Average Grant Date Fair Value Of Underlying Common Stock
Exercise price
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Exercise Price
Expected term (in years)
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
Risk-free interest rate
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
Expected volatility
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate
Dividend yield
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
Restricted Stock Awards [Member]
Restricted Stock [Member]
Non-vested, Beginning balance
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
Granted
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period
Vested
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period
Forfeited
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period
Non-vested, Ending balance
Weighted-average Grant-date Fair Value, Non-vested, Beginning balance
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value
Weighted-average Grant-date Fair Value, Granted
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value
Weighted-average Grant-date Fair Value, Vested
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value
Weighted-average Grant-date Fair Value, Forfeited
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value
Weighted-average Grant-date Fair Value, Non-vested, Ending balance
Unrecognized compensation cost related to non-vested restricted stock
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options
Fair value of restricted stock vested
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value
Number of equal tranches.
Weighted average price number of days trailing.
Share based compensation arrangement by share based payment award fair value assumptions closing price.
Shares awarded
Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period
Number of equal tranches
Number Of Equal Tranches
Number of shares based on appreciation vest in equal installments
Common stock price
Weighted average price, number of days trailing
Weighted Average Price Number Of Days Trailing
Closing price
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Closing Price
Aggregate estimate fair value
Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Nonvested
Defined contribution plans name.
Schedule Of Defined Benefit Plans Disclosures [Table]
Schedule Of Defined Benefit Plans Disclosures [Table]
Retirement Plan Type
Retirement Plan Type [Axis]
Retirement Plan Type
Retirement Plan Type [Domain]
401(k) Plan
Supplemental Employee Retirement Plan Defined Benefit [Member]
2018 ESPP
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Defined contribution retirement plan, plan name
Defined Contribution Plans Name
Defined contribution retirement plan, maximum employee contribution deferred
Defined Contribution Plan Maximum Annual Contributions Per Employee Percent
Share based compensation arrangement by share based payment award period of automatic annual increases in share reserve.
Period of automatic annual increase in the share reserve
Share Based Compensation Arrangement By Share Based Payment Award Period Of Automatic Annual Increases In Share Reserve
Common stock purchase price, discount rate
Share Based Compensation Arrangement By Share Based Payment Award Discount From Market Price Purchase Date
Net loss
Deferred income tax expense or benefit
Deferred Income Tax Expense Benefit
Current Income Tax Expense (Benefit)
Current Income Tax Expense Benefit
U.S. federal statutory income tax rate
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
State and local taxes, net of federal benefit
Effective Income Tax Rate Reconciliation State And Local Income Taxes
Nondeductible expenses
Effective Income Tax Rate Reconciliation Nondeductible Expense
Research and development credits
Effective Income Tax Rate Reconciliation Nondeductible Expense Research And Development
Tax rate change and true-up
Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate
Change in valuation allowance
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
Effective income tax rate
Effective Income Tax Rate Continuing Operations
Deferred tax assets interest expense.
Deferred tax assets lease liability.
Deferred tax assets capitalized start up costs.
Deferred tax liabilities right of use asset.
Deferred tax assets:
Components Of Deferred Tax Assets [Abstract]
Net operating loss carryforwards
Deferred Tax Assets Operating Loss Carryforwards
Research and development credits
Deferred Tax Assets Tax Credit Carryforwards Research
Share-based compensation
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
Accruals
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals
Interest expense
Deferred Tax Assets Interest Expense
Lease Liability
Deferred Tax Assets Lease Liability
Capitalized start-up costs
Deferred Tax Assets Capitalized Start Up Costs
Other temporary differences
Deferred Tax Assets Other
Gross deferred tax assets
Deferred Tax Assets Gross
Less: Valuation allowance
Deferred Tax Assets Valuation Allowance
Total deferred tax assets
Deferred Tax Assets Net
Deferred tax liabilities:
Components Of Deferred Tax Liabilities [Abstract]
Capitalized software
Deferred Tax Liabilities Deferred Expense Capitalized Software
Right-of-use asset
Deferred Tax Liabilities Right Of Use Asset
Prepaid commission
Deferred Tax Liabilities Prepaid Expenses
Gross deferred tax liabilities
Deferred Income Tax Liabilities
Net deferred taxes
Deferred Tax Assets Liabilities Net
Increase in valuation allowance
Valuation Allowance Deferred Tax Asset Change In Amount
Balance at the beginning of the year
Valuation Allowances And Reserves Balance
Amounts charges to expense
Valuation Allowances And Reserves Charged To Cost And Expense
Balance at the end of the year
Deferred tax assets operating loss carryforwards research and development credits.
Income taxes.
Income Taxes.
Income Taxes [Table]
Income Taxes [Table]
Tax Credit Carryforward
Tax Credit Carryforward [Axis]
Tax Credit Carryforward, Name
Tax Credit Carryforward Name [Domain]
Research and Development Credits
Research [Member]
Income Tax Authority
Income Tax Authority [Axis]
Income Tax Authority
Income Tax Authority [Domain]
Federal
Domestic Country [Member]
State
State And Local Jurisdiction [Member]
Income Taxes [Line Items]
Income Taxes [Line Items]
Net operating losses, Amount
Deferred Tax Assets Operating Loss Carryforwards Domestic
Net operating losses, Amount
Deferred Tax Assets Operating Loss Carryforwards State And Local
Net operating losses, Amount
Deferred Tax Assets Operating Loss Carryforwards Research And Development Credits
Operating loss carryforwards, expiration.
Net operating loss carryforwards, Expiration beginning
Operating Loss Carryforwards Expiration
Accrued interest or penalties related to uncertain tax positions
Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued
Interest or penalties related to uncertain tax positions recognized in statements of operations and comprehensive loss
Unrecognized Tax Benefits Income Tax Penalties And Interest Expense
Reimbursement revenue per treatment.
Schedule Of Collaborative Arrangements And Noncollaborative Arrangement Transactions [Table]
Schedule Of Collaborative Arrangements And Noncollaborative Arrangement Transactions [Table]
Deferred Revenue Arrangement Type
Deferred Revenue Arrangement Type [Axis]
Deferred Revenue
Deferred Revenue Arrangement Type [Domain]
Upfront payment.
Upfront Payment
Upfront Payment [Member]
Milestone payment.
Milestone Payment
Milestone Payment [Member]
Related Party
Related Party Transactions By Related Party [Axis]
Related Party
Related Party [Domain]
Teijin pharma limited.
Teijin
Teijin Pharma Limited [Member]
Collaborative Arrangement and Arrangement Other than Collaborative
Type Of Arrangement [Axis]
Collaborative Arrangement and Arrangement Other than Collaborative
Arrangements And Nonarrangement Transactions [Member]
Distribution agreement.
Distribution Agreement
Distribution Agreement [Member]
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Payment received
Deferred Revenue Additions
Reimbursement of rate per treatment session
Reimbursement Revenue Per Treatment
Agreement expiry date.
Extended term of agreement.
Related party purchased percentage of sales forecasts over agreement term.
Distribution agreements with renewal description.
Agreement expiry date
Agreement Expiry Date
Extended term of agreement
Extended Term Of Agreement
Related party purchased percentage of sales forecasts over agreement term.
Related Party Purchased Percentage Of Sales Forecasts Over Agreement Term
Distribution term agreement
Distribution Agreements With Renewal Description
Number of operating business segment
Number Of Operating Segments
Schedule Of Segment Reporting Information By Segment [Table]
Schedule Of Segment Reporting Information By Segment [Table]
Concentration Risk Benchmark
Concentration Risk By Benchmark [Axis]
Concentration Risk Benchmark
Concentration Risk Benchmark [Domain]
Revenues
Sales Revenue Net [Member]
United States
International
Concentration Risk Type
Concentration Risk By Type [Axis]
Concentration Risk Type
Concentration Risk Type [Domain]
Geographic Concentration
Geographic Concentration Risk [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Percentage of Revenues
Concentration Risk Percentage1
Product category.
Product Category
Product Category [Member]
NeuroStar Advanced Therapy System.
NeuroStar Advanced Therapy System
Neuro Star Advanced Therapy System [Member]
Treatment sessions.
Treatment Sessions
Treatment Sessions [Member]
Other product.
Other
Other Product [Member]
Schedule Of Restructuring And Related Costs [Table]
Schedule Of Restructuring And Related Costs [Table]
Restructuring Type
Restructuring Cost And Reserve [Axis]
Type of Restructuring
Type Of Restructuring [Domain]
Reduction in force.
Reduction in Force
Reduction In Force [Member]
Termination Benefits
One Time Termination Benefits [Member]
Transition separation agreement.
Transition Separation Agreement
Transition Separation Agreement [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Cost And Reserve [Line Items]
Number of employees terminated
Restructuring And Related Cost Number Of Positions Eliminated
Restructuring charges
Restructuring Charges
Payments for restructuring
Payments For Restructuring
Accrued liabilities
Revenues
Revenues
Cost of revenues
Cost Of Revenue
Subsequent Event [Table]
Subsequent Event [Table]
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Common stock offering, price per share
Sale Of Stock Price Per Share
Common stock offering, net proceeds