Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization Nature of Operations [Text Block] Basis of Presentation [Abstract] Basis of Presentation [Abstract] Warrants exchanged for common stock Stock Issued Interest paid (net of interest capitalized) Interest Paid, Net Additions to equipment in process included in accounts payable Capital Expenditures Incurred but Not yet Paid Basis of Presentation Basis of Accounting [Text Block] Fair Value Disclosures [Abstract] Summary of valuation of the Company's investments and financial instruments that are measured at fair value on a recurring basis Fair Value, Liabilities Measured on Recurring Basis [Table Text Block] Summary of change in estimated fair value of warrant liabilities Schedule of Change in Estimated Fair Value of Warrant Liabilities [Table Text Block] Tabular disclosure of change in the estimated fair value of the warrant liabilities. Stockholders' Equity Note [Abstract] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Cowen Cowen and Company, LLC [Member] Cowen and Company, LLC [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Maximum Maximum [Member] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Common Class A Common Class A [Member] Class of Stock [Line Items] Class of Stock [Line Items] At-the-market sales agreement, maximum aggregate proceeds At-The-Market Sales Agreement, Maximum Aggregate Proceeds At-The-Market Sales Agreement, Maximum Aggregate Proceeds Percentage of gross proceeds payable as commission Percentage of Gross Proceeds Payable as Commission Represents the percentage of gross proceeds payable as commission. At-the-market sales agreement, shares issued (in shares) At-the-Market Sales Agreement, Shares Issued At-the-Market Sales Agreement, Shares Issued At-the-market sales agreement, proceeds from issuance of common stock At-The-Market-Sales Agreement, Proceeds From Issuance Of Common Stock At-The-Market-Sales Agreement, Proceeds From Issuance Of Common Stock Commission and issuance costs Fees and Commissions Amount of net capacity remaining on the at-the-market sales agreement Common Stock Remaining Capacity Represents the amount of remaining capacity of common stock. Debt Disclosure [Abstract] Debt Debt Disclosure [Text Block] Revenue from Contract with Customer [Abstract] Revenue Revenue from Contract with Customer [Text Block] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] Implants Implants [Member] Implants [Member] Biopsy kits Biopsy Kits [Member] Biopsy Kits [Member] Epicel Epicel [Member] Epicel [Member] License Grants, Milestone And Royalty Payments License Grants, Milestone And Royalty Payments [Member] License Grants, Milestone And Royalty Payments [Member] Contract with Customer, Basis of Pricing [Axis] Contract with Customer, Basis of Pricing [Axis] Contract with Customer, Basis of Pricing [Domain] Contract with Customer, Basis of Pricing [Domain] Contracted rate Fixed-price Contract [Member] Estimated payments Time-and-materials Contract [Member] Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Third party distributor Sales Channel, Through Intermediary [Member] Direct bill Sales Channel, Directly to Consumer [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2014-09 Accounting Standards Update 2014-09 [Member] Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition [Domain] 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 Topic 606 [Member] Customer [Axis] Customer [Axis] Customer [Domain] Customer [Domain] Innovative Cellular Therapeutics Innovative Cellular Therapeutics [Member] Innovative Cellular Therapeutics [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Revenue Revenue from Contract with Customer, Excluding Assessed Tax Warrants and Rights Note Disclosure [Abstract] Stock Purchase Warrants Warrants and Rights Note Disclosure [Text Block] The entire disclosure for warrants including description, amounts outstanding, fair value calculation and estimates. Shareholders' Equity Stockholders' Equity Note Disclosure [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Service-Based Stock Options Employee Stock Option [Member] Employee Stock Employee Stock [Member] Minimum Minimum [Member] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] 2004, 2001, 1992, and 2009 Plans Prior Plans [Member] Represents the information pertaining to the Prior Plans consisting of 1992 Stock Option Plan, the 2001 Stock Option Plan and the Amended and Restated 2004 Equity Incentive Plan. 2017 Plan Omnibus Incentive Plan 2017 [Member] Omnibus Incentive Plan 2017 [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Stock-Based Compensation Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Expiration period Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Number of shares available for grant (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Employee Stock Purchase Plan, number of shares authorized (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Employee Stock Purchase Plan, grants since inception (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted Employee Stock Purchase Plan, stock issued during period (in shares) Stock Issued During Period, Value, Employee Stock Purchase Plan Employee Stock Purchase Plan, stock issued during period (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Grant date fair value (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Stock-based compensation expense Allocated Share-based Compensation Expense Weighted average assumptions used to estimate fair value of each service-based stock option grant Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] Expected dividend rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected stock price volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Expected life Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Class of Warrant or Right [Table] Class of Warrant or Right [Table] Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] August 2013 Warrants Warrants Issued In August2013 [Member] Represents the warrants issued by the entity in August 2013. September 2016 Warrants Warrants Issued In September 2016 [Member] Warrants Issued In September 2016 [Member] December 2017 Warrants Warrants Issued On December 7, 2017 [Member] Warrants Issued In December 2017 [Member] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock Common Stock [Member] Stock Purchase Warrants Class of Warrant or Right [Line Items] Exercise price (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Total shares issuable on exercise (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Shares issued upon the exercise of warrants (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Shares issued upon the exercise of warrants, value Stock Issued During Period, Value, Conversion of Convertible Securities Number of warrant holders Class of Warrant or Right, Number of Holders Class of Warrant or Right, Number of Holders Assumptions used in calculating the estimated fair value of the warrants Fair Value Assumptions and Methodology for Assets and Liabilities [Abstract] Closing stock price (in dollars per share) Share Price Expected dividend rate Fair Value Assumptions, Expected Dividend Rate Expected stock price volatility Fair Value Assumptions, Expected Volatility Rate Risk-free interest rate Fair Value Assumptions, Risk Free Interest Rate Expected life Fair Value Assumptions, Expected Term Accounting Policies [Abstract] Recent Accounting Pronouncements Significant Accounting Policies [Text Block] Earnings Per Share [Abstract] Schedule of net loss attributable to common shareholders and share data used in the basic and diluted earnings per share computations using the two class method Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Balance Sheet Related Disclosures [Abstract] Schedule of inventory Schedule of Inventory, Current [Table Text Block] Schedule of property and equipment, net Property, Plant and Equipment [Table Text Block] Schedule of accounts payable and accrued expenses Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Stock-based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Warrants Warrant [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Recurring Fair Value, Measurements, Recurring [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Level 1 Fair Value, Inputs, Level 1 [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Level 3 Fair Value, Inputs, Level 3 [Member] Lender Name [Axis] Lender Name [Axis] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Silicon Valley Bank Silicon Valley Bank [Member] Silicon Valley Bank [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Debt Financing Agreement and Term Loan Debt Financing Agreement And Term Loan [Member] Debt Financing Agreement And Term Loan [Member] Liabilities that are measured at fair value on a recurring basis Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Warrants Warrants and Rights Outstanding Change in the estimated fair value of warrant liabilities Warrants and Rights [Roll Forward] A roll forward is a reconciliation of a concept from the beginning of a period to the end of the period. Balance at December 31, 2017 Increase in fair value Fair Value Adjustment of Warrants Warrant exercise Balance at March 31, 2018 Debt instrument, fair value Debt Instrument, Fair Value Disclosure Income Statement [Abstract] Product sales, net Sales Revenue, Goods, Net Cost of product sales Cost of Goods Sold Gross profit Gross Profit Research and development Research and Development Expense Selling, general and administrative Selling, General and Administrative Expense Total operating expenses Operating Expenses Loss from operations Operating Income (Loss) Other income (expense): Other Nonoperating Income (Expense) [Abstract] (Increase) decrease in fair value of warrants Foreign currency translation (loss) Foreign Currency Transaction Gain (Loss), Realized Interest income Investment Income, Interest Interest expense Interest Expense Other income Other Nonoperating Income (Expense) Total other income (expense) Nonoperating Income (Expense) Net loss Net Income (Loss) Attributable to Parent Net loss per share attributable to common shareholders (Basic and Diluted) (in dollars per share) Earnings Per Share, Basic and Diluted Weighted average number of common shares outstanding (Basic and Diluted) (in shares) Weighted Average Number of Shares Outstanding, Basic and Diluted Statement of Cash Flows [Abstract] Operating activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Net loss Adjustments to reconcile net loss to net cash used for operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Stock compensation expense Share-based Compensation Change in fair value of warrants Inventory provision Inventory Write-down Loss on sales of fixed assets Gain (Loss) on Disposition of Assets Foreign currency translation loss Foreign Currency Transaction Gain (Loss), before Tax Deferred rent Straight Line Rent Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Inventory Increase (Decrease) in Inventories Accounts receivable Increase (Decrease) in Receivables Other current assets Increase (Decrease) in Other Current Assets Accounts payable Increase (Decrease) in Accounts Payable and Accrued Liabilities Accrued expenses Increase (Decrease) in Employee Related Liabilities Other assets and liabilities, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash provided by (used for) operating activities Net Cash Provided by (Used in) Operating Activities Investing activities: Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Expenditures for property, plant and equipment Payments to Acquire Businesses, Net of Cash Acquired Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Financing activities: Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Net proceeds from issuance of common stock Proceeds from Issuance of Preferred Stock and Preference Stock Deferred financing costs Payments of Debt Issuance Costs Proceeds from exercise of warrants Proceeds from Warrant Exercises Repayments of short-term debt Repayments of Short-term Debt Other Proceeds from (Payments for) Other Financing Activities Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Net increase (decrease) in cash Cash and Cash Equivalents, Period Increase (Decrease) Cash at beginning of period Cash Cash at end of period Schedule of cash flow, supplemental disclosures Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] 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 [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Cost of goods sold Cost of Sales [Member] Research and development Research and Development Expense [Member] Selling, general and administrative Selling, General and Administrative Expenses [Member] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] Non-cash stock-based compensation expense Numerator: Net Income (Loss) Attributable to Parent [Abstract] Denominator for basic and diluted EPS: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted-average common shares outstanding (in shares) Net loss per share attributable to common shareholders (basic and diluted) (in dollars per share) Aggregate number of common equivalent shares (related to options, warrants and preferred stock) excluded from diluted net loss per common share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Commitments and Contingencies Disclosure [Abstract] Schedule of future minimum payments related to leases Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Schedule of annual principal payments on debt Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block] Concentration Risk [Table] Concentration Risk [Table] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Customer concentration Customer Concentration Risk [Member] MACI and Carticel Carticel And MACI Distributor [Member] Carticel And MACI Distributor [Member] Epicel Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Revenue Concentration Sales Revenue, Net [Member] Accounts Receivable Concentration Accounts Receivable [Member] CONCENTRATION Concentration Risk [Line Items] Concentration risk Concentration Risk, Percentage Inventory: Inventory, Net [Abstract] Raw materials Inventory, Raw Materials, Gross Work-in-process Inventory, Work in Process, Gross Finished goods Inventory, Finished Goods, Gross Inventory Inventory, Net Selected Balance Sheet Components Supplemental Balance Sheet Disclosures [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Machinery and equipment Machinery and Equipment [Member] Furniture, fixtures and office equipment Furniture and Fixtures [Member] Computer equipment and software Computer Equipment [Member] Leasehold improvements Leasehold Improvements [Member] Construction in process Construction in Progress [Member] Property and equipment, net: Property, Plant and Equipment [Line Items] Total property and equipment, gross Property, Plant and Equipment, Gross Less: Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Total, net Property, Plant and Equipment, Net Depreciation and amortization Depreciation, Depletion and Amortization, Excluding Intangible Assets Depreciation, Depletion and Amortization, Excluding Intangible Assets Incentive from Lessor Incentive from Lessor Deferred rent credit Deferred Rent Credit Operating leases Operating Leases Leased Office Space Future Minimum Payments Due [Abstract] Total Operating Leases, Future Minimum Payments Due 2018 Operating Leases, Future Minimum Payments, Remainder of Fiscal Year 2019 Operating Leases, Future Minimum Payments, Due in Two Years 2020 Operating Leases, Future Minimum Payments, Due in Three Years 2021 Operating Leases, Future Minimum Payments, Due in Four Years 2022 Operating Leases, Future Minimum Payments, Due in Five Years More than 5 years Operating Leases, Future Minimum Payments, Due Thereafter Purchase commitments Purchase Obligation, Fiscal Year Maturity [Abstract] Total Purchase Obligation 2018 Purchase Obligation, Due in Next Twelve Months 2019 Purchase Obligation, Due in Second Year 2020 Purchase Obligation, Due in Third Year 2021 Purchase Obligation, Due in Fourth Year 2022 Purchase Obligation, Due in Fifth Year More than 5 years Purchase Obligation, Due after Fifth Year Capital leases Operating Leases Sales Force Leased Auto Fleet Future Minimum Payments Due [Abstract] Total Capital Lease Obligations 2018 Capital Leases, Future Minimum Payments Due, Next Twelve Months 2019 Capital Leases, Future Minimum Payments Due in Two and Three Years 2020 Capital Leases, Future Minimum Payments Due in Three Years 2021 Capital Leases, Future Minimum Payments Due in Four Years 2022 Capital Leases, Future Minimum Payments Due in Five Years More than 5 years Capital Leases, Future Minimum Payments Due Thereafter Debt and Interest Related Payments Contractual Obligation, Fiscal Year Maturity [Abstract] Total Contractual Obligation 2018 Contractual Obligation, Due in Next Fiscal Year 2019 Contractual Obligation, Due in Second Year 2020 Contractual Obligation, Due in Third Year 2021 Contractual Obligation, Due in Fourth Year 2022 Contractual Obligation, Due in Fifth Year More than 5 years Contractual Obligation, Due after Fifth Year Total Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] Total Operating and Capital Leases and Purchase Commitments, Future Minimum Payments Due Operating and Capital Leases and Purchase Commitments, Future Minimum Payments Due 2018 Operating and Capital Leases and Purchase Commitments, Future Minimum Payments Due, Current Operating and Capital Leases and Purchase Commitments, Future Minimum Payments Due, Current 2019 Operating and Capital Leases and Purchase Commitments, Future Minimum Payments, Due In Two Years Operating and Capital Leases and Purchase Commitments, Due In Two Years 2020 Operating and Capital Leases and Purchase Commitments, Future Minimum Payments, Due In Three Years Operating and Capital Leases and Purchase Commitments, Future Minimum Payments, Due In Three Years 2021 Operating and Capital Leases and Purchase Commitments, Future Minimum Payments, Due In Four Years Operating and Capital Leases and Purchase Commitments, Future Minimum Payments, Due In Four Years 2022 Minimum Lease Payments, Sale Leaseback Transactions, Due in Rolling after Year Five More than 5 years Operating and Capital Leases and Purchase Commitments, Future Minimum Payments, Due Thereafter Operating and Capital Leases and Purchase Commitments, Future Minimum Payments, Due Thereafter Rent expense Operating Leases, Rent Expense, Net Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Revenue Recognition and Net Product Sales Revenue Recognition, Sales of Goods [Policy Text Block] Revenue Recognition for License Grants, Milestone and Royalty Payments Revenue Recognition, Sales of Services [Policy Text Block] Number of reportable segments Number of Reportable Segments Accumulated deficit Retained Earnings (Accumulated Deficit) Net loss Cash Line of Credit Facility [Table] Line of Credit Facility [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Line of Credit Line of Credit [Member] Debt Financing Agreement Debt Financing Agreement [Member] Debt Financing Agreement [Member] Silicon Valley Bank And MidCap Financial Services Silicon Valley Bank And MidCap Financial Services [Member] Silicon Valley Bank And MidCap Financial Services [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility Revolving Credit Facility [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] 2018 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 2019 Long-term Debt, Maturities, Repayments of Principal in Year Two 2020 Long-term Debt, Maturities, Repayments of Principal in Year Three 2021 Long-term Debt, Maturities, Repayments of Principal in Year Four 2022 Long-term Debt, Maturities, Repayments of Principal in Year Five Thereafter Long-term Debt, Maturities, Repayments of Principal after Year Five Total principal payments on debt Long-term Debt Statement of Financial Position [Abstract] Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable Current portion of term loan credit agreement, deferred costs Debt Issuance Costs, Current, Net Revolving and term loan credit agreement, deferred costs Debt Issuance Costs, Noncurrent, Net Common stock, authorized (in shares) Common Stock, Shares Authorized Common stock, issued (in shares) Common Stock, Shares, Issued Common stock, outstanding (in shares) Common Stock, Shares, Outstanding Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Schedule of non-cash stock-based compensation expense Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Schedule of weighted average assumptions used to estimate fair value of each service-based stock option grant Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Accounts receivable (net of allowance for doubtful accounts of $315 and $249, respectively) Accounts Receivable, Net, Current Inventory Other current assets Other Assets, Current Total current assets Assets, Current Property and equipment, net Total assets Assets LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued expenses Accounts Payable and Accrued Liabilities, Current Short term deferred rent Deferred Revenue, Current Current portion of term loan credit agreement (net of deferred costs of $69 and $67, respectively) Line of Credit and Term Loan Credit Agreement, Current, Net of Deferred Costs Line of Credit and Term Loan Credit Agreement, Current, Net of Deferred Costs Warrant liabilities Derivative Liability, Current Other Other Liabilities, Current Total current liabilities Liabilities, Current Revolving and term loan credit agreement (net of deferred costs of $185 and $196, respectively) Long-term Debt, Excluding Current Maturities Long term deferred rent Deferred Rent Credit, Noncurrent Total liabilities Liabilities COMMITMENTS AND CONTINGENCIES (Note 12) Commitments and Contingencies Shareholders’ equity: Stockholders' Equity Attributable to Parent [Abstract] Common stock, no par value; shares authorized — 75,000; shares issued and outstanding — 36,502 and 35,861, respectively Common Stock, Value, Issued Accumulated deficit Total shareholders’ equity Stockholders' Equity Attributable to Parent Total liabilities and shareholders’ equity Liabilities and Equity Schedule of revenue by product and customer Disaggregation of Revenue [Table Text Block] Schedules of concentration of risk Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Fair Value Measurements Fair Value Disclosures [Text Block] Schedule of warrants outstanding Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] Schedule of assumptions used in calculating estimated fair value of warrants Schedule of Class of Warrant or Right Valuation Assumptions [Table Text Block] Tabular disclosure of the significant assumptions used during the period to estimate the fair value of warrant liabilities, including, but not limited to: (a) expected term of instruments, (b) expected volatility of the entity's shares, (c) closing stock price, (d) risk-free rate, and (e) dividend rate. Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Term Loan Term Loan [Member] Term Loan [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Prime Rate Prime Rate [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Maximum borrowing capacity (up to) Debt Financing Agreement, Maximum Borrowing Capacity Debt Financing Agreement, Maximum Borrowing Capacity Debt instrument, face amount Debt Instrument, Face Amount Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Number of installments Debt Instrument, Number of Installments Debt Instrument, Number of Installments Short-term bank loans and notes payable Short-term Bank Loans and Notes Payable Line of credit, current Line of Credit, Current Deferred costs Debt Issuance Costs, Net Weighted average interest rate Debt, Weighted Average Interest Rate Interest rate, stated percentage, final payment due upon maturity Debt Instrument, Interest Rate, Stated Percentage, Final Payment Due Upon Maturity Debt Instrument, Interest Rate, Stated Percentage, Final Payment Due Upon Maturity Remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Document and Entity Information Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Accounts payable and accrued expenses: Accounts Payable and Accrued Liabilities, Current [Abstract] Bonus related compensation Accrued Bonuses Employee related accruals Employee-related Liabilities, Current Clinical trial related accruals Accrued Liabilities, Current Total Net Loss Per Common Share Earnings Per Share [Text Block]