Document and Entity Information Document Information [Table] Class of Stock [Axis] Class of Stock [Domain] Class A Common stock Class B Common stock Document Information [Line Items] Document Type Document Quarterly Report Document Transition Report Document Period End Date Entity File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address State Or Province Entity Address, Address Line One Entity Address, Adress Line Two Entity Address, City or Town Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Ex Transition Period Entity Shell Company Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag Entity Common Stock, Shares Outstanding CONDENSED CONSOLIDATED BALANCE SHEETS Statement [Table] Statement [Line Items] Statement Assets [Abstract] Assets Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash Accounts Receivable, after Allowance for Credit Loss, Current Accounts receivable, net of credit loss reserve of $652 and $87, respectively Inventory, Net Inventory Total Loss Contingency, Receivable, Current Receivables of FiberCel litigation costs Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Disposal Group, Including Discontinued Operation, Assets, Current Current assets of discontinued operations Total current assets Assets, Current Total current assets Property, Plant and Equipment, Net Property and equipment, net Intangible Assets, Net (Excluding Goodwill) Intangible assets, net Other Assets, Noncurrent Operating lease right-of-use assets and other Disposal Group, Including Discontinued Operation, Assets, Noncurrent Noncurrent assets of discontinued operations Total non-current assets Assets Total assets Liabilities and Equity [Abstract] Liabilities and Stockholders' Deficit Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued expenses and other current liabilities Represents the amount payables to tissue suppliers, classified as current. Payables to Tissue Suppliers, Current Payables to tissue suppliers Amount of revenue interest obligation, classified as current. Revenue Interest Obligation, Current Current portion of revenue interest obligation Estimated Litigation Liability, Current Contingent liability for FiberCel litigation Other Liabilities, Current Current operating lease liabilities Disposal Group, Including Discontinued Operation, Liabilities, Current Current liabilities of discontinued operations Total current liabilities Liabilities, Current Total current liabilities Long-term Debt, Excluding Current Maturities Long-term debt Amount of revenue interest obligation, classified as noncurrent. Revenue Interest Obligation, Noncurrent Long-term revenue interest obligation Warrants and Rights Outstanding Warrant liability value Warrant liability Other Liabilities, Noncurrent Other long-term liabilities Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent Noncurrent liabilities of discontinued operations Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies Common Stock and Warrants Stockholders' equity (deficit): Common Stock, Value, Issued Common stock Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated deficit Stockholders' Equity Attributable to Parent Balance at the ending Balance at the beginning Total stockholders' deficit Liabilities and Equity Total liabilities and stockholders' deficit Financing Receivable, after Allowance for Credit Loss, Current Credit loss reserve Common Stock, Par or Stated Value Per Share Common stock, par value (in dollar 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 CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Revenue from Contract with Customer, Including Assessed Tax Net sales Total sales Cost of Goods and Services Sold Cost of goods sold Gross Profit Gross profit Gross profit Selling and Marketing Expense Sales and marketing Sales and marketing General and Administrative Expense General and administrative General and administrative Research and Development Expense Research and development Research and development Legal Fees FiberCel litigation costs FiberCel litigation costs, net Operating Expenses Total operating expenses Operating Income (Loss) Loss from operations Interest Expense Interest expense Other Nonoperating Income (Expense) Other income, net Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Loss before provision for income taxes Income Tax Expense (Benefit) Income tax expense Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Net loss from continuing operations Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Income (loss) from discontinued operations Net Income (Loss) Attributable to Parent Net loss Net loss Net loss Income (Loss) from Continuing Operations, Per Basic Share Net loss from continuing operations per share - basic (in dollar per share) Income (Loss) from Continuing Operations, Per Diluted Share Net loss from continuing operations per share - diluted (in dollar per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Net income (loss) from discontinued operations per share - basic (in dollar per share) Net income (loss) from discontinued operations per share - basic (in dollar per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Net income (loss) from discontinued operations per share - diluted (in dollar per share) Net income (loss) from discontinued operations per share - diluted (in dollar per share) Earnings Per Share, Basic Net loss - basic (in dollar per share) Net loss per share - basic (in dollar per share) Earnings Per Share, Diluted Net loss - diluted (in dollar per share) Net loss per share -diluted (in dollar per share) Weighted Average Number of Shares Outstanding, Basic Weighted average common shares outstanding - basic Weighted average number of common shares, basic Weighted Average Number of Shares Outstanding, Diluted Weighted average common shares outstanding - diluted Weighted average number of common shares, diluted CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (DEFICIT) Equity Components [Axis] Equity Component [Domain] Common Stock Additional Paid-in Capital Accumulated Deficit Increase (Decrease) in Stockholders' Equity [Roll Forward] Stockholders' Equity Rollforward Shares, Outstanding Balance at the ending (in shares) Balance at the beginning (in shares) Stock Issued During Period, Value, New Issues Proceeds from sale of common stock in connection with private placement and secondary public offering, net of issuance costs Stock Issued During Period, Shares, New Issues Proceeds from sale of common stock in connection with private placement and in secondary public offering, net of issuance costs (in shares) Stock Issued During Period, Value, Stock Options Exercised Proceeds from stock option exercises Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercised Proceeds from stock option exercises (in shares) Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Additional issuance costs in connection with Private Placement Stock Issued During Period, Value, Employee Stock Purchase Plan Proceeds from sale of common stock through Employee Stock Purchase Plan Stock Issued During Period, Shares, Employee Stock Purchase Plans Proceeds from sale of common stock through Employee Stock Purchase Plan (in shares) Shares issued under ESPP Stock Issued During Period, Value, Restricted Stock Award, Gross Vesting of restricted stock units, net of shares withheld and taxes paid Stock Issued During Period, Shares, Restricted Stock Award, Gross Vesting of restricted stock units, net of shares withheld and taxes paid (in shares) Adjustments to Additional Paid in Capital, Warrant Issued Issuance of warrants in connection with debt financing APIC, Share-based Payment Arrangement, Increase for Cost Recognition Stock-based compensation Sale of Stock [Axis] Sale of Stock [Domain] Private Placement [Member] Private Placement Payments of Stock Issuance Costs Issuance and offering costs Amount allocated to issuance of the common stock CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities [Abstract] OPERATING ACTIVITIES: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Depreciation, Depletion and Amortization Depreciation and amortization Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity and from revaluation of warrant liability. Gain (Loss) on Extinguishment of Debt and Revaluation of Warrant Liability (Gain) loss on extinguishment of debt and revaluation of warrant liability Amortization of Debt Issuance Costs Amortization of deferred financing costs and debt discount The amount of interest expense recorded as additional revenue interest obligation. Interest Expense Recorded As Additional Revenue Interest Obligation Interest expense recorded as additional revenue interest obligation and long-term debt Share-based Payment Arrangement, Noncash Expense Stock-based compensation Accounts Receivable, Credit Loss Expense (Reversal) Bad debt expense Amount of losses on product recall and market withdrawal. Losses on Product Recall and Market Withdrawal Losses associated with viable bone matrix recall and market withdrawal Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Inventories Inventory Increase (Decrease) in Insurance Settlements Receivable Receivables of FiberCel litigation costs Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other Increase (Decrease) in Accounts Payable and Accrued Liabilities Accounts payable and accrued expenses and other current liabilities Amount of increase (decrease) in obligation to tissue suppliers. Increase (Decrease) in Obligations to Tissue Suppliers Obligations to tissue suppliers Amount of increase (decrease) in contingent liability. Increase (Decrease) Contingent Liability Contingent liability for FiberCel litigation Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable and other liabilities. Increase (Decrease) in Contract with Customer, Liability And Other Liabilities Deferred revenue and other liabilities Net Cash Provided by (Used in) Operating Activities Cash used in operating activities Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] INVESTING ACTIVITIES: Payments to Acquire Property, Plant, and Equipment Expenditures for property, plant and equipment Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] FINANCING ACTIVITIES: Proceeds from Issuance of Private Placement Proceeds from private placement and warrants, net of offering costs of $0.2 million The additional cash outflow for cost incurred directly with the issuance of an equity security in a private placement. Payments of Additional Stock Issuance Costs in Private Placement Additional issuance costs in connection with private placement Proceeds from (Repayments of) Lines of Credit Net borrowings (repayments) under revolving line of credit Proceeds from Stock Options Exercised Proceeds from stock option exercises Proceeds from Issuance of Other Long-term Debt Proceeds from long-term debt Payments of Financing Costs Deferred financing costs Deferred financing costs Repayments of Long-term Debt Repayments of long-term debt The cash outflow for the payment of interest and fees upon early repayment of debt. Payment of Interest and Fees On Early Repayment of Debt Costs related to the extinguishment of debt The cash outflow on payments on revenue interest obligation. Payments On Revenue Interest Obligation Payments on revenue interest obligation Payment, Tax Withholding, Share-Based Payment Arrangement Payments for taxes upon vesting of restricted stock units Proceeds, Issuance of Shares, Share-based Payment Arrangement, Excluding Option Exercised Proceeds from sales of common stock through Employee Stock Purchase Plan Net Cash Provided by (Used in) Financing Activities Net cash provided by (used in) financing activities Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Net decrease in cash and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and restricted cash, end of period Cash and restricted cash, beginning of period Supplemental Cash Flow Information [Abstract] Supplemental Cash Flow and Non-Cash Financing Activities Disclosures: Interest Paid, Excluding Capitalized Interest, Operating Activities Cash paid for interest The amount of fair value of warrants issued. Fair Value of Warrants Issued Fair value of warrants issued Organization and Description of Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Organization and Description of Business Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Recently Issued Accounting Standards Accounting Standards Update and Change in Accounting Principle [Text Block] Recently Issued Accounting Standards Divestiture of Orthobiologics Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Stock-Based Compensation Share-based Payment Arrangement [Text Block] Stock-Based Compensation Inventory Inventory Disclosure [Text Block] Inventory Long-Term Debt Debt Disclosure [Text Block] Long-Term Debt No definition available. Revenue Interest Obligation The entire disclosure on revenue interest obligation. Revenue Interest Obligation [Text Block] Revenue Interest Obligation Stockholders' Equity Note Disclosure [Text Block] Common Stock and Warrants Commitments and Contingencies. Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Net Loss Per Share Attributable to Common Stockholders Earnings Per Share [Text Block] Net Loss Per Share Attributable to Common Stockholders Segment Information Segment Reporting Disclosure [Text Block] Segment Information Basis of Accounting, Policy [Policy Text Block] Basis of Presentation and Liquidity Reclassification, Comparability Adjustment [Policy Text Block] Reclassifications