Entity Central Index Key
Cover [Abstract]
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Document Type
Document Type
Document Period End Date
Document Period End Date
Amendment Flag
Amendment Flag
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Current Fiscal Year End Date
Current Fiscal Year End Date
Trading Symbol
Trading Symbol
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 Interactive Data Current
Entity Interactive Data Current
Entity Filer Category
Entity Filer Category
Entity Shell Company
Entity Shell Company
Entity Emerging Growth Company
Entity Emerging Growth Company
Entity Small Business
Entity Small Business
Document Annual Report
Document Annual Report
Document Transition Report
Document Transition Report
Entity Public Float
Entity Public Float
Entity Common Stock, Shares Outstanding
Entity Common Stock Shares Outstanding
Title of 12(b) Security
Security12b Title
Security Exchange Name
Security Exchange Name
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 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
Documents Incorporated by Reference
Documents Incorporated By Reference [Text Block]
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 of allowance for doubtful accounts of $244 as of January 2, 2021 and $187 as of December 28, 2019
Accounts Receivable Net Current
Inventories
Inventory Net
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
Intangible assets, net
Finite Lived Intangible Assets Net
Goodwill
Goodwill
Operating lease right-of-use assets, net
Operating Lease Right Of Use Asset
Other long-term 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 compensation
Employee Related Liabilities Current
Accrued expenses
Accrued Liabilities Current
Current portion of PPP loan
Long Term Debt Current
Accrued warranty
Product Warranty Accrual Classified Current
Deferred revenue
Contract With Customer Liability Current
Operating lease liabilities
Operating Lease Liability Current
Total current liabilities
Liabilities Current
Long-term liabilities:
Liabilities Noncurrent [Abstract]
PPP loan
Long Term Debt
Accrued warranty
Product Warranty Accrual Noncurrent
Deferred revenue
Contract With Customer Liability Noncurrent
Operating lease liabilities
Operating Lease Liability Noncurrent
Other long-term liabilities
Other Liabilities Noncurrent
Total liabilities
Liabilities
Commitments and contingencies (Note 10)
Commitments And Contingencies
Stockholders’ equity:
Stockholders Equity [Abstract]
Preferred stock, $0.01 par value, 2,000,000 shares authorized, no shares issued and outstanding
Preferred Stock Value
Common stock, $0.01 par value: Authorized: 30,000,000 shares; Issued and outstanding 13,899,683 and 13,785,233 shares as of January 2, 2021 and December 28, 2019, respectively
Common Stock Value
Additional paid-in capital
Additional Paid In Capital Common Stock
Accumulated other comprehensive income (loss)
Accumulated Other Comprehensive Income Loss Net Of Tax
Accumulated deficit
Retained Earnings Accumulated Deficit
Total stockholders’ equity
Stockholders Equity
Total liabilities and stockholders’ equity
Liabilities And Stockholders Equity
Accounts receivable, allowance for doubtful accounts
Allowance For Doubtful Accounts Receivable Current
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]
Total revenues
Revenue From Contract With Customer Excluding Assessed Tax
Cost of revenues
Cost Of Revenue
Gross profit
Gross Profit
Operating expenses:
Operating Expenses [Abstract]
Research and development
Research And Development Expense
Sales and marketing
Selling And Marketing Expense
General and administrative
General And Administrative Expense
Total operating expenses
Operating Expenses
Loss from operations
Operating Income Loss
Other income, net
Nonoperating Income Expense
Loss from operations before provision for income taxes
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
Provision for income taxes
Income Tax Expense Benefit
Net loss
Net Income Loss
Net loss per share:
Earnings Per Share [Abstract]
Basic
Earnings Per Share Basic
Diluted
Earnings Per Share Diluted
Weighted average shares used in computing net loss per common share:
Weighted Average Number Of Shares Outstanding [Abstract]
Basic
Weighted Average Number Of Shares Outstanding Basic
Diluted
Weighted Average Number Of Diluted Shares Outstanding
Statement Of Income And Comprehensive Income [Abstract]
Net loss
Change in foreign currency translation adjustments
Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent
Comprehensive loss
Comprehensive Income Net Of Tax
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 Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income [Member]
Accumulated Deficit
Retained Earnings [Member]
Statement [Line Items]
Statement [Line Items]
Beginning Balance, value
Beginning Balance, shares
Issuance of common stock under stock option plan
Stock Issued During Period Value Stock Options Exercised
Issuance of common stock under stock option plan, shares
Stock Issued During Period Shares Stock Options Exercised
Employee stock-based compensation expense
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
Release of restricted stock, including net share settlement
Restricted Stock Value Shares Issued Net Of Tax Withholdings
Release of restricted stock, including net share settlement, Shares
Restricted Stock Shares Issued Net Of Shares For Tax Withholdings
Other comprehensive income
Other Comprehensive Income Loss Net Of Tax
Ending Balance, value
Ending Balance, shares
Increase decrease in prepaid deferred expense and other current assets.
Increase decrease in operating lease right of use assets.
The increase (decrease) during the reporting period in warranty expenses incurred but not yet paid.
Increase decrease In operating lease liabilities
Transfer of inventory to property and equipment.
Statement Of Cash Flows [Abstract]
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]
Loss on disposal of property and equipment
Gain Loss On Sale Of Property Plant Equipment
Depreciation and amortization
Depreciation And Amortization
Change in fair value of earn-out liability
Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1
Stock-based compensation
Allocated Share Based Compensation Expense
Provision for doubtful accounts
Provision For Doubtful Accounts
Changes in operating assets and liabilities:
Increase Decrease In Operating Capital [Abstract]
Accounts receivable
Increase Decrease In Accounts Receivable
Inventories
Increase Decrease In Inventories
Prepaid expenses and other current assets
Increase Decrease In Prepaid Deferred Expense And Other Current Assets
Operating lease right-of-use assets
Increase Decrease In Operating Lease Right Of Use Assets
Other long-term assets
Increase Decrease In Other Noncurrent Assets
Accounts payable
Increase Decrease In Accounts Payable
Accrued compensation
Increase Decrease In Employee Related Liabilities
Accrued expenses
Increase Decrease In Accrued Liabilities
Accrued warranty
Increase Decrease In Accrued Warranty Liabilities
Deferred revenue
Increase Decrease In Contract With Customer Liability
Operating lease liabilities
Increase Decrease In Operating Lease Liabilities
Other long-term liabilities
Increase Decrease In Other Noncurrent Liabilities
Net cash used in operating activities
Net Cash Provided By Used In Operating Activities
Investing activities:
Net Cash Provided By Used In Investing Activities [Abstract]
Acquisition of property and equipment
Payments To Acquire Property Plant And Equipment
Proceeds from sale of property and equipment
Proceeds From Sale Of Property Plant And Equipment
Payment on earn-out liability
Payments For Previous Acquisition
Net cash used in investing activities
Net Cash Provided By Used In Investing Activities
Financing activities:
Net Cash Provided By Used In Financing Activities [Abstract]
Proceeds from PPP loan
Proceeds From Issuance Of Long Term Debt
Taxes paid related to net share settlements of equity awards
Payments Related To Tax Withholding For Share Based Compensation
Net cash provided by (used in) financing activities
Net Cash Provided By Used In Financing Activities
Effect of foreign exchange rate changes
Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
Net decrease in cash and cash equivalents
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
Cash and cash equivalents, beginning of year
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
Cash and cash equivalents, end of year
Supplemental disclosure of cash flow information:
Supplemental Cash Flow Information [Abstract]
Cash (received) paid during the period for income taxes
Income Taxes Paid Net
Supplemental disclosure of non-cash activities:
Noncash Investing And Financing Items [Abstract]
Transfer of inventory to property and equipment
Transfer Of Inventory To Property And Equipment
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Organization
Business Description And Basis Of Presentation [Text Block]
Accounting Policies [Abstract]
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Fair Value Disclosures [Abstract]
Fair Value Measurement
Fair Value Disclosures [Text Block]
Inventory Disclosure [Abstract]
Inventories
Inventory Disclosure [Text Block]
Property Plant And Equipment [Abstract]
Property and Equipment
Property Plant And Equipment Disclosure [Text Block]
Goodwill And Intangible Assets Disclosure [Abstract]
Goodwill
Goodwill Disclosure [Text Block]
Intangible Assets
Intangible Assets Disclosure [Text Block]
Payables And Accruals [Abstract]
Accrued Expenses
Other Liabilities Disclosure [Text Block]
Debt Disclosure [Abstract]
PPP Loan
Long Term Debt [Text Block]
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies
Commitments And Contingencies Disclosure [Text Block]
Equity [Abstract]
Stockholders' Equity
Stockholders Equity Note Disclosure [Text Block]
Compensation And Retirement Disclosure [Abstract]
Employee Benefit Plan
Pension And Other Postretirement Benefits Disclosure [Text Block]
Income Tax Disclosure [Abstract]
Income Taxes
Income Tax Disclosure [Text Block]
Loan and Security Agreement
Debt Disclosure [Text Block]
Segment Reporting [Abstract]
Business Segments and Geographical Information
Segment Reporting Disclosure [Text Block]
Computation of Basic and Diluted Net Loss Per Common Share
Earnings Per Share [Text Block]
Subsequent Events [Abstract]
Subsequent Events
Subsequent Events [Text Block]
Financial Statement Presentation
Basis Of Accounting Policy Policy [Text Block]
Use of Estimates
Use Of Estimates
Cash and Cash Equivalents
Cash And Cash Equivalents Policy [Text Block]
Sales returns allowance and allowance for doubtful accounts.
Sales Returns Allowance and Allowance for Doubtful Accounts
Sales Returns Allowance And Allowance For Doubtful Accounts Policy [Text Block]
Inventories
Inventory Policy [Text Block]
Property and Equipment
Property Plant And Equipment Policy [Text Block]
Leases
Lessee Leases Policy [Text Block]
Valuation of Goodwill and Intangible Assets
Goodwill And Intangible Assets Policy [Text Block]
Revenue Recognition
Revenue From Contract With Customer Policy [Text Block]
Taxes Collected from Customers and Remitted to Governmental Authorities
Utility Revenue And Expense Recognition Policy
Contract with customer liability.
Deferred Revenue
Contract With Customer Liability Policy [Text Block]
Warranty
Standard Product Warranty Policy
Contract with customer, shipping and handling costs.
Shipping and Handling Costs
Contract With Customer Shipping And Handling Costs Policy [Text Block]
Research and Development
Research And Development Expense Policy
Advertising
Advertising Costs Policy [Text Block]
Income Taxes
Income Tax Policy [Text Block]
Accounting for Uncertainty in Income Taxes
Income Tax Uncertainties Policy
Accounting for Stock-Based Compensation
Compensation Related Costs Policy [Text Block]
Concentration of credit risk and other risks and uncertainties.
Concentration of Credit Risk and Other Risks and Uncertainties
Concentration Of Credit Risk And Other Risks And Uncertainties Policy [Text Block]
Concentrations of supplier risk.
Reliance on Certain Suppliers
Concentrations Of Supplier Risk Policy [Text Block]
Net Income (Loss) per Share
Earnings Per Share Policy [Text Block]
Reclassifications
Prior Period Reclassification Adjustment Description
Recently Adopted Accounting Standards and Recent Accounting Standards Not Yet Adopted
New Accounting Pronouncements Policy Policy [Text Block]
Schedule of reconciliation of changes in allowance for doubtful accounts.
Reconciliation of Changes in Allowance for Doubtful Accounts
Schedule Of Reconciliation Of Changes In Allowance For Doubtful Accounts
Reconciliation of Changes in Deferred Revenue
Contract With Customer Asset And Liability Table [Text Block]
Reconciliation of Changes in Warranty Liability
Schedule Of Product Warranty Liability Table [Text Block]
Financial Assets and Liabilities Measured and Recognized at Fair Value on a Recurring Basis
Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table [Text Block]
Components of Inventories
Schedule Of Inventory Current Table [Text Block]
Component of Property and Equipment
Property Plant And Equipment [Text Block]
Components of Purchased Intangible Assets
Schedule Of Acquired Finite Lived Intangible Assets By Major Class [Text Block]
Estimated Future Amortization Expense for Purchased Intangible Assets
Scheduleof Finite Lived Intangible Assets Future Amortization Expense Table [Text Block]
Components of Accrued Expenses
Schedule Of Accrued Liabilities Table [Text Block]
Schedule of Maturities of Operating Lease Liabilities
Lessee Operating Lease Liability Maturity Table [Text Block]
Future Minimum Payments for our Purchase Commitments
Contractual Obligation Fiscal Year Maturity Schedule Table [Text Block]
Share Activity and Total Number of Share Available for Grant
Disclosure Of Share Based Compensation Arrangements By Share Based Payment Award [Text Block]
Stock-Based Compensation Expenses
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block]
Summary of Activity in Stock Option Plan
Schedule Of Share Based Compensation Stock Options Activity Table [Text Block]
Stock Options Outstanding and Exercisable
Schedule Of Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range [Text Block]
Weighted Average Assumptions for Fair Value of Options Granted
Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block]
Stock Options Outstanding, Exercisable and Expected to Vest
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Table [Text Block]
Restricted Stock Units Outstanding, Vested and Expected to Vest
Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Restricted Stock Units Vested And Expected To Vest Table [Text Block]
Restricted Stock Units and Awards
Schedule Of Sharebased Compensation Restricted Stock And Restricted Stock Units Activity Table [Text Block]
Loss from Operations Before Provision for Income Taxes
Schedule Of Income Before Income Tax Domestic And Foreign Table [Text Block]
Provision for Income Taxes
Schedule Of Components Of Income Tax Expense Benefit Table [Text Block]
Effective Tax Rate Differs from the Statutory Federal Income Tax Rate
Schedule Of Effective Income Tax Rate Reconciliation Table [Text Block]
Tax Effect of Temporary Differences and Carryforwards that Give Rise to Significant Portions of the Net Deferred Tax Assets
Schedule Of Deferred Tax Assets And Liabilities Table [Text Block]
A Reconciliation of the Beginning and Ending Amount of Unrecognized Tax Benefits
Schedule Of Unrecognized Tax Benefits Excluding Amounts Pertaining To Examined Tax Returns Roll Forward Table [Text Block]
Schedule of Revenue Information by Product
Schedule Of Entity Wide Information Revenue From External Customers By Products And Services [Text Block]
Revenue Information by Geographic Region
Schedule Of Revenues From External Customers And Long Lived Assets By Geographical Areas Table [Text Block]
Reconciliation of Numerator and Denominator of Basic and Diluted Net Income Per Common Share
Schedule Of Earnings Per Share Basic And Diluted Table [Text Block]
Provision for sales returns.
Disclosure summary of significant accounting policies.
Summary of significant accounting policies.
Summary Of Significant Accounting Policies [Table]
Summary Of Significant Accounting Policies [Table]
Deferred Revenue Arrangement Type
Deferred Revenue Arrangement Type [Axis]
Deferred Revenue
Deferred Revenue Arrangement Type [Domain]
Royalty Agreements
Royalty Arrangement [Member]
Product and Service
Product Or Service [Axis]
Product and Service
Products And Services [Domain]
Shipping and Handling
Shipping And Handling [Member]
Concentration Risk Benchmark
Concentration Risk By Benchmark [Axis]
Concentration Risk Benchmark
Concentration Risk Benchmark [Domain]
Revenue, Total
Revenue From Contract With Customer [Member]
Accounts Receivable
Accounts Receivable [Member]
Revenue Benchmark
Sales Revenue Net [Member]
Concentration Risk Type
Concentration Risk By Type [Axis]
Concentration Risk Type
Concentration Risk Type [Domain]
Customer Concentration Risk
Customer Concentration Risk [Member]
Credit Concentration Risk
Credit Concentration Risk [Member]
Disclosure Summary Of Significant Accounting Policies [Line Items]
Disclosure Summary Of Significant Accounting Policies [Line Items]
Provision for sales returns
Provision For Sales Returns
Valuation And Qualifying Accounts Disclosure [Table]
Valuation And Qualifying Accounts Disclosure [Table]
SEC Schedule, 12-09, Valuation Allowances and Reserves Type
Valuation Allowances And Reserves Type [Axis]
SEC Schedule, 12-09, Valuation Allowances and Reserves
Valuation Allowances And Reserves [Domain]
Allowance for Doubtful Accounts
Allowance For Credit Loss [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of The period
Valuation Allowances And Reserves Balance
Additions
Valuation Allowances And Reserves Charged To Cost And Expense
Deductions
Valuation Allowances And Reserves Deductions
Balance at End of The period
Estimated useful life of demos and loaners.
Gross value of demos and loaners.
Accumulated amortization on inventory demos and loaners.
Gross value of demos and loaners
Gross Value Of Demos And Loaners
Accumulated amortization on inventory demos and loaners
Accumulated Amortization On Inventory Demos And Loaners
Estimated useful life of demos and loaners
Estimated Useful Life Of Demos And Loaners
Estimated useful lives of the assets
Property Plant And Equipment Useful Life
Extended product warranty period.
Extended product warranty period
Extended Product Warranty Period
Extended warranty threshold period to determine nature of sale.
Extended warranty, period to determine nature of sale
Extended Warranty Threshold Period To Determine Nature Of Sale
Number of customers.
Number of customers
Number Of Customers
Contract with customer liability additions.
Contract with customer liability revenue recognized including additions.
Contract with customer liability deductions from reserves.
Reconciliation of the changes in the Company's deferred revenue balance
Movement In Deferred Revenue Roll Forward
Balance, beginning of period
Contract With Customer Liability
Additions to deferral
Contract With Customer Liability Additions
Revenue recognized
Contract With Customer Liability Revenue Recognized Including Additions
Deductions from reserves
Contract With Customer Liability Deductions From Reserves
Balance, end of period
Deferred revenue recognized
Contract With Customer Performance Obligation Satisfied In Previous Period
Products warranty period.
Products warranty period
Products Warranty Period
Reconciliation of the changes in the Company's warranty liability
Movement In Standard Product Warranty Accrual Roll Forward
Balance, beginning of period
Standard Product Warranty Accrual
Accruals for product warranties
Standard Product Warranty Accrual Warranties Issued
Cost of warranty claims
Standard Product Warranty Accrual Payments
Adjustment to pre-existing warranties
Standard Product Warranty Accrual Preexisting Increase Decrease
Balance, end of period
Shipping and handling costs
Cost Of Goods And Services Sold
Advertising and promotion costs
Advertising Expense
Accrued interest and penalty incurred
Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued
Percentage of revenues accounted.
Customer and supplier accounted percentage of total revenues, accounts receivable and purchases
Concentration Risk Percentage1
Percentage of revenues accounted
Percentage Of Revenues Accounted
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Measurement Frequency
Fair Value By Measurement Frequency [Axis]
Measurement Frequency
Fair Value Measurement Frequency [Domain]
Fair Value Measurements Recurring
Fair Value Measurements Recurring [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]
Level 1
Fair Value Inputs Level1 [Member]
Level 2
Fair Value Inputs Level2 [Member]
Level 3
Fair Value Inputs Level3 [Member]
Asset Class
Fair Value By Asset Class [Axis]
Asset Class
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation By Asset Class [Domain]
Money Market Funds
Money Market Funds [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]
Assets, Fair Value Measurements
Assets Fair Value Disclosure
Raw materials
Inventory Raw Materials Net Of Reserves
Work in process
Inventory Work In Process Net Of Reserves
Finished goods
Inventory Finished Goods Net Of Reserves
Total inventories
Schedule Of Property Plant And Equipment [Table]
Schedule Of Property Plant And Equipment [Table]
Long-Lived Tangible Asset
Property Plant And Equipment By Type [Axis]
Long-Lived Tangible Asset
Property Plant And Equipment Type [Domain]
Equipment
Equipment [Member]
Leasehold Improvements
Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Property Plant And Equipment [Line Items]
Component of property and equipment
Property Plant And Equipment Net By Type [Abstract]
Property and equipment, gross
Property Plant And Equipment Gross
Less: accumulated depreciation and amortization
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Property and equipment, net
Depreciation expense
Depreciation
Carrying value of goodwill
Impairment of goodwill
Goodwill Impairment Loss
Finite-Lived Intangible Assets by Major Class
Finite Lived Intangible Assets By Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name
Finite Lived Intangible Assets Major Class Name [Domain]
Customer Relations
Customer Relationships [Member]
Patents
Patents [Member]
Components of purchased intangible assets
Finite Lived Intangible Assets Net [Abstract]
Useful Lives
Finite Lived Intangible Asset Useful Life
Useful Lives Remaining
Finite Lived Intangible Assets Remaining Amortization Period1
Annual Amortization
Amortization Of Intangible Assets
Gross Carrying Value
Finite Lived Intangible Assets Gross
Accumulated Amortization
Finite Lived Intangible Assets Accumulated Amortization
Net Carrying Value
Amortization expense
Estimated future amortization expense for purchased intangible assets
Finite Lived Intangible Assets Future Amortization Expense [Abstract]
2021
Finite Lived Intangible Assets Amortization Expense Next Twelve Months
2022
Finite Lived Intangible Assets Amortization Expense Year Two
2023
Finite Lived Intangible Assets Amortization Expense Year Three
2024
Finite Lived Intangible Assets Amortization Expense Year Four
2025
Finite Lived Intangible Assets Amortization Expense Year Five
Contract with customer deposits current.
Accrued sales and marketing expenses.
Accrued legal expenses.
Components of accrued expenses
Accrued Liabilities Current [Abstract]
Customer deposits
Contract With Customer Deposits Current
Royalties payable
Accrued Royalties Current
Sales and marketing expenses
Accrued Sales And Marketing Expenses
Professional fees
Accrued Professional Fees Current
Legal expenses
Accrued Legal Expenses
Accrued rent
Accrued Rent Current
Other accrued expenses
Other Accrued Liabilities Current
Total accrued expenses
Deferred rent
Deferred Rent Credit Current
Debt instrument payment commencement period.
Debt Instrument [Table]
Debt Instrument [Table]
Long-term Debt, Type
Longterm Debt Type [Axis]
Long-term Debt, Type
Longterm Debt Type [Domain]
U.S. small business administration loan (SBA Loan).
Small Business Administration (SBA Loan) [Member]
Small Business Administration Loan [Member]
Debt Instrument
Debt Instrument [Axis]
Debt Instrument, Name
Debt Instrument Name [Domain]
Paycheck protection program.
PPP Loan [Member]
Paycheck Protection Program [Member]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Aggregate principal amount
Principal Amount Outstanding On Loans Securitized
Fixed interest rate
Debt Instrument Interest Rate Stated Percentage
Interest rate on outstanding principal amount
Debtor In Possession Financing Interest Rate On Borrowings Outstanding
Payment commencement period
Debt Instrument Payment Commencement Period
Loan maturity date
Debt Instrument Maturity Date
Term of loan
Debt Instrument Term
Loan forgiveness amount
Debt Instrument Decrease Forgiveness
Accrued Interest
Debt Instrument Increase Accrued Interest
PPP loans exceed amount
Unsecured Long Term Debt
Operating lease, expenses
Operating Lease Expense
Lease expiration date
Lease Expiration Date1
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
Operating Lease Liabilities Payments Due [Abstract]
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
Total lease payments
Lessee Operating Lease Liability Payments Due
Less: Imputed interest
Lessee Operating Lease Liability Undiscounted Excess Amount
Total future minimum lease payments
Operating Lease Liability
Future minimum payments for manufacturing and supply commitments
Contractual Obligation Fiscal Year Maturity [Abstract]
2021
Contractual Obligation Due In Next Twelve Months
Percentage of royalty paid on net sales.
Late termination year of license agreement.
Royalties pay equivalent to Percentage of sales
Percentage Of Royalty Paid On Net Sales
Royalty expense
Royalty Expense
Late termination date of certain license agreement
Late Termination Year Of License Agreement
Plan Name
Plan Name [Axis]
Plan Name
Plan Name [Domain]
Two thousand eight equity incentive plan.
2008 Equity Incentive Plan
Two Thousand Eight Equity Incentive Plan [Member]
Award Type
Award Type [Axis]
Award Type
Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain]
Restricted Stock Units (RSUs)
Restricted Stock Units R S U [Member]
Performance award.
Performance Award
Performance Award [Member]
Grant of non-qualified stock option
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized
Share based compensation arrangement by share based payment award number of shares available for grant additional shares reserved.
Cancellation of stock awards shares available for grant.
Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]
Share Based Compensation Arrangement By Share Based Payment Award Additional General Disclosures [Abstract]
Shares Available for Grant, Beginning Balance
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant
Shares Available for Grant, Additional shares reserved
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Additional Shares Reserved
Shares Available for Grant, Options granted
Stock Issued During Period Shares Share Based Compensation Gross
Shares Available for Grant, Restricted stock granted
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period
Shares Available for Grant, Options cancelled or forfeited
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period
Shares Available for Grant, Awards cancelled
Cancellation Of Stock Awards Shares Available For Grant
Shares Available for Grant, Ending Balance
Percentage of fair market value of common stock date of grant.
Share based compensation arrangement by share based payment award number of shares of common stock for each share.
Percentage of fair market value of Commons stock date of grant
Percentage Of Fair Market Value Of Common Stock Date Of Grant
Share based payment award number of shares of common stock for each share
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Of Common Stock For Each Share
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]
Income Statement Location
Income Statement Location [Axis]
Income Statement Location
Income Statement Location [Domain]
Cost of revenues
Cost Of Sales [Member]
Research and development
Research And Development Expense [Member]
Sales and marketing
Selling And Marketing Expense [Member]
General and administrative
General And Administrative 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]
Stock-based compensation expense
Total unrecognized compensation cost related to non-vested share-based compensation arrangements
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
Cost is expected to be recognized over a weighted average period
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1
Outstanding, Number of Shares, Beginning Balance
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
Number of Shares, Options granted
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
Number of Shares, Options exercised
Number of Shares, Options cancelled or forfeited
Number of Shares, Ending Balance
Weighted Average Exercise Price, Beginning Balance
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
Weighted Average Exercise Price, Options granted
Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
Weighted Average Exercise Price, Options exercised
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
Weighted Average Exercise Price, Options cancelled or forfeited
Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price
Weighted Average Exercise Price, Ending Balance
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Abstract]
Schedule Of Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range [Table]
Schedule Of Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range [Table]
Exercise Price Range
Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range [Axis]
Exercise Price Range
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Domain]
Range one.
Range One
Range One [Member]
Range two.
Range Two
Range Two [Member]
Range three.
Range Three
Range Three [Member]
Range four.
Range Four
Range Four [Member]
Range five.
Range Five
Range Five [Member]
Range six.
Range Six
Range Six [Member]
Range seven.
Range Seven
Range Seven [Member]
Range eight.
Range Eight
Range Eight [Member]
Range nine.
Range Nine
Range Nine [Member]
Range ten.
Range Ten
Range Ten [Member]
Range eleven.
Range Eleven
Range Eleven [Member]
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Stock options outstanding and exercisable
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Abstract]
Range of Exercise Prices, Lower Range Limit
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit
Range of Exercise Prices, Upper Range Limit
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit
Options Outstanding, Number of Shares
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options
Options Outstanding, Weighted Average Remaining Contractual Life (years)
Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2
Options Outstanding, Weighted Average Exercise Price
Options Vested and Exercisable, Number of Shares Exercisable
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options
Options Vested and Exercisable, Weighted Average Exercise Price
Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1
Weighted average assumptions for fair value of options granted
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions And Methodology [Abstract]
Average risk free interest rate
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
Expected life (in years)
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
Dividend yield
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
Average volatility
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate
Weighted-average grant date fair value of the options granted
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
Stock options outstanding, exercisable and expected to vest
Share Based Compensation Arrangement By Share Based Payment Award Options Additional Disclosures [Abstract]
Options outstanding, Number of Shares
Options outstanding, Weighted Average Exercise Price
Options outstanding, Weighted Average Remaining Contractual Life (years)
Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
Options outstanding, Aggregate Intrinsic Value
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
Options vested and expected to vest, Number of Shares
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number
Options vested and expected to vest, Weighted Average Exercise Price
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price
Options vested and expected to vest, Weighted Average Remaining Contractual Life (years)
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1
Options vested and expected to vest, Aggregate Intrinsic Value
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value
Options exercisable, Number of Shares
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
Options exercisable, Weighted Average Exercise Price
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
Options exercisable, Weighted Average Remaining Contractual Life (years)
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
Options exercisable, Aggregate Intrinsic Value
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1
Total intrinsic value of options exercised
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
Grant of non-qualified stock option
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value
Share based compensation arrangement by share based payment award equity instruments other than options.
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock units outstanding, vested and expected to vest
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options [Abstract]
Restricted stock units outstanding, Number of Shares
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
Restricted stock units outstanding, Weighted Average Remaining Contractual Life (years)
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms
Restricted stock units outstanding, Aggregate Intrinsic Value
Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Outstanding
Share based compensation arrangement by share based payment award equity instruments other than options vested and expected to vest weighted average remaining contractual term.
Share based compensation arrangement by share based payment award equity instruments other than options vested and expected to vest number.
Share based compensation arrangement by share based payment award equity instruments other than options vested and expected to vest intrinsic value.
Restricted stock units vested and expected to vest, Number of Shares
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Expected To Vest Number
Restricted stock units vested and expected to vest, Weighted Average Remaining Contractual Life (years)
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Expected To Vest Weighted Average Remaining Contractual Term
Restricted stock units vested and expected to vest, Aggregate Intrinsic Value
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Expected To Vest Intrinsic Value
The intrinsic value of the restricted stock units
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Intrinsic Value
Number of shares, vested
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period
Restricted stock units released, intrinsic value
Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Vested
Restricted stock units released, Shares withheld
Shares Paid For Tax Withholding For Share Based Compensation
Restricted stock units released, value withheld
Restricted stock units and awards
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Roll Forward
Outstanding, Number of Shares, Beginning Balance
Number of Shares, Restricted stock granted
Number of Shares, Restricted stock released
Number of Shares, Restricted stock forfeited
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period
Outstanding, Number of Shares, Ending Balance
Outstanding, Weighted Average Grant Date Fair Value, 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, Restricted stock 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, Restricted stock released
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, Restricted stock forfeited
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value
Outstanding, Weighted Average Grant Date Fair Value, Ending Balance
Unvested restricted stock awarded
Weighted-average grant date fair value of restricted stock awarded
Defined Contribution Plan Employee Contribution Percentage
Defined Contribution Plan Maximum Annual Contributions Per Employee Percent
Total matching contributions made by the company
Defined Contribution Plan Cost Recognized
Loss from operations before provision for (benefit from) income taxes
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest [Abstract]
United States
Income Loss From Continuing Operations Before Income Taxes Domestic
Foreign
Income Loss From Continuing Operations Before Income Taxes Foreign
Current:
Current Income Tax Expense Benefit Continuing Operations [Abstract]
Federal
Current Federal Tax Expense Benefit
State
Current State And Local Tax Expense Benefit
Foreign
Current Foreign Tax Expense Benefit
Total
Current Income Tax Expense Benefit
Deferred:
Deferred Income Tax Expense Benefit Continuing Operations [Abstract]
Federal
Deferred Federal Income Tax Expense Benefit
State
Deferred State And Local Income Tax Expense Benefit
Total
Deferred Federal State And Local Tax Expense Benefit
Provision for income taxes
Company's effective tax rate differs from the statutory federal income tax rate
Effective Income Tax Rate Continuing Operations Tax Rate Reconciliation [Abstract]
Income tax provision at statutory rate
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
State income taxes, net of federal benefit
Effective Income Tax Rate Reconciliation Tax Settlements State And Local
Permanent differences
Effective Income Tax Rate Reconciliation Nondeductible Expense
Research and development credits
Effective Income Tax Rate Reconciliation Tax Credits Research
Change in valuation allowance
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
Foreign rate differential
Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential
Other
Effective Income Tax Rate Reconciliation Other Adjustments
Effective tax rate
Effective Income Tax Rate Continuing Operations
Tax effect of temporary differences and carryforwards that give rise to significant portions of the net deferred tax assets
Components Of Deferred Tax Assets And Liabilities [Abstract]
Net operating losses
Deferred Tax Assets Operating Loss Carryforwards
Research and development credits
Deferred Tax Assets In Process Research And Development
Accruals and reserves
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals
Deferred revenue
Deferred Tax Assets Deferred Income
Property and equipment
Deferred Tax Assets Property Plant And Equipment
Intangible assets
Deferred Tax Assets Goodwill And Intangible Assets
Stock compensation
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
Net deferred tax asset
Deferred Tax Assets Gross
Valuation allowance
Deferred Tax Assets Valuation Allowance
Net deferred tax liabilities
Deferred Tax Liabilities
Net operating loss expiration year.
Income taxes.
Income taxes.
Income Taxes [Table]
Income Taxes [Table]
Income Tax Authority
Income Tax Authority [Axis]
Income Tax Authority
Income Tax Authority [Domain]
Federal
Domestic Country [Member]
State
State And Local Jurisdiction [Member]
Tax Credit Carryforward
Tax Credit Carryforward [Axis]
Tax Credit Carryforward, Name
Tax Credit Carryforward Name [Domain]
Research Tax Credit Carryforward
Research [Member]
Tax Period
Tax Period [Axis]
Tax Period
Tax Period [Domain]
Earliest Tax Year
Earliest Tax Year [Member]
Latest Tax Year
Latest Tax Year [Member]
Income Taxes [Line Items]
Income Taxes [Line Items]
Net operating loss
Operating Loss Carryforwards
Net operating loss expiration year
Net Operating Loss Expiration Year
Research credit
Tax Credit Carryforward Amount
Accrued interest and penalty
Income Tax Examination Penalties And Interest Accrued
A reconciliation of the beginning and ending amount of unrecognized tax benefits
Reconciliation Of Unrecognized Tax Benefits Excluding Amounts Pertaining To Examined Tax Returns Roll Forward
Balance at the beginning of the year
Unrecognized Tax Benefits
Additions based upon tax positions related to the current year
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
Balance at the end of the year
Ending balance of unrecognized tax benefits
Unrecognized tax benefits recognition impact on income tax rate
Unrecognized Tax Benefits That Would Impact Effective Tax Rate
Open Tax Year
Open Tax Year
Date when the debt instrument is scheduled to extend, in CCYY-MM-DD format.
Line Of Credit Facility [Table]
Line Of Credit Facility [Table]
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]
Credit Facility
Credit Facility [Axis]
Credit Facility
Credit Facility [Domain]
Revolving Loan Facility
Revolving Credit Facility [Member]
Variable Rate
Variable Rate [Axis]
Variable Rate
Variable Rate [Domain]
Wall Street Journal Prime Rate
Prime Rate [Member]
Loan and security agreement.
Loan Agreement
Loan And Security Agreement [Member]
First amendment to the loan and security agreement.
Loan Agreement, First Amendment
Loan And Security Agreement First Amendment [Member]
Second amendment to the loan and security agreement.
Loan Agreement, Second Amendment
Loan And Security Agreement Second Amendment [Member]
Loan Agreement, Third amendment.
Loan Agreement, Third Amendment
Loan And Security Agreement Third Amendment [Member]
Line Of Credit Facility [Line Items]
Line Of Credit Facility [Line Items]
Borrowings available under secured revolving loan facility
Line Of Credit Facility Maximum Borrowing Capacity
Debt instrument, basis spread on variable interest rate
Debt Instrument Basis Spread On Variable Rate1
Loan facility, maturity date
Debt instrument, extension date
Debt Instrument Extension Date
Secured revolving loan facility outstanding
Line Of Credit
Schedule Of Segment Reporting Information By Segment [Table]
Schedule Of Segment Reporting Information By Segment [Table]
Geographical
Statement Geographical [Axis]
Geographical
Segment Geographical [Domain]
United States
UNITED STATES
Geographic Concentration Risk
Geographic Concentration Risk [Member]
Revenue, Total
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Number of operating segments
Number Of Operating Segments
Schedule Of Entity Wide Information Revenue From External Customers By Products And Services [Table]
Schedule Of Entity Wide Information Revenue From External Customers By Products And Services [Table]
G6.
G6
G Six [Member]
Retina.
Retina
Retina [Member]
Other
Product And Service Other [Member]
Entity Wide Information Revenue From External Customer [Line Items]
Entity Wide Information Revenue From External Customer [Line Items]
Service Contract Revenues
Service [Member]
Schedule Of Revenues From External Customers And Long Lived Assets [Table]
Schedule Of Revenues From External Customers And Long Lived Assets [Table]
Europe
Europe [Member]
Americas, excluding the U.S.
Americas, excluding the U.S.
Americas Excluding U S [Member]
Asia/Pacific Rim
Asia Pacific [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues From External Customers And Long Lived Assets [Line Items]
Percentage of concentration risk
Numerator:
Net Income Loss [Abstract]
Denominator:
Weighted Average Number Of Shares Outstanding Diluted Disclosure Items [Abstract]
Weighted average shares of common stock (basic)
Weighted average shares of common stock (diluted)
Per share data:
Earnings Per Share Basic And Diluted [Abstract]
Basic net loss per share
Diluted net loss per share
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]
Antidilutive Securities
Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis]
Antidilutive Securities, Name
Antidilutive Securities Name [Domain]
Employee stock options, restricted stock unit and restricted stock award.
Stock options, restricted stock units and restricted stock awards
Employee Stock Options Restricted Stock Unit And Restricted Stock Award [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Shares that were excluded from the computation of diluted weighted average shares outstanding
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
Shares agreed to be purchased purchase price.
Number of shares agreed to be acquired by investor.
Subsequent Event [Table]
Subsequent Event [Table]
Subsequent Event Type
Subsequent Event Type [Axis]
Subsequent Event Type
Subsequent Event Type [Domain]
Subsequent Event
Subsequent Event [Member]
Collaborative Arrangement and Arrangement Other than Collaborative
Type Of Arrangement [Axis]
Collaborative Arrangement and Arrangement Other than Collaborative
Arrangements And Nonarrangement Transactions [Member]
Asset purchase agreement and the distribution agreement meber.
Asset Purchase Agreement And Distribution Agreement
Asset Purchase Agreement And Distribution Agreement [Member]
Related Party Transaction
Related Party Transaction [Axis]
Related Party Transaction
Related Party Transaction [Domain]
Topcon America Corporation [Member]
Topcon America Corporation [Member]
Topcon America Corporation [Member]
Asset Purchase Agreement member.
Asset Purchase Agreement
Asset Purchase Agreement [Member]
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Shares agreed to be purchased purchase price
Shares Agreed To Be Purchased Purchase Price
Number of shares agreed to be acquired by investor
Number Of Shares Agreed To Be Acquired By Investor
Proceeds from issuance of common stock
Proceeds From Issuance Of Common Stock
Equity method investment, description of principal activities
Equity Method Investment Description Of Principal Activities
Lockup period.
Share lockup period
Lockup Period