Document and Entity Information Document Information [Table] Class of Stock [Axis] Class of Stock [Domain] Class A Common stock Class A Common stock Class B 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, Address Line One Entity Address, City or Town Entity Address State Or Province 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 Shell Company Entity Common Stock, Shares Outstanding Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag 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 and cash equivalents Accounts Receivable, after Allowance for Credit Loss, Current Accounts receivable, net Inventory, Net Inventory Total Loss Contingency, Receivable, Current Insurance receivables of litigation costs Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets The sum of amounts currently receivable arising from divestiture of a business. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer. Divestiture Proceeds Receivable Divestiture proceeds receivable 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 Assets Total assets Liabilities and Equity [Abstract] Liabilities and Stockholders' Equity Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued expenses 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 legal proceedings Other Liabilities, Current Current operating lease liabilities Liabilities, Current Total current liabilities Amount of revenue interest obligation, classified as noncurrent. Revenue Interest Obligation, Noncurrent Long-term revenue interest obligation Warrants and Rights Outstanding Warrant liability Warrant liability Warrant liability Operating Lease, Liability, Noncurrent Long-term operating lease liabilities Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies Equity, Attributable to Parent [Abstract] 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 Balance Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' deficit 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 Cost of Goods and Services Sold Cost of goods sold Gross Profit Gross profit Gross profit Selling and Marketing Expense Sales and marketing General and Administrative Expense General and administrative Research and Development Expense Research and development Legal Fees Litigation costs, net Operating Expenses Total operating expenses Operating Income (Loss) Loss from operations Loss from continuing operations Interest Income (Expense), Nonoperating Interest (income) expense, net Fair Value Adjustment of Warrants Loss on revaluation of warrant liability Loss (gain) on revaluation of warrant liability Other Nonoperating Income (Expense) Other (income) expense, net Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Loss from continuing operations 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 Incurred loss from continuing operations Net loss from continuing operations Net loss from continuing operations Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Income (loss) from discontinued operations Income (loss) from discontinued operations Net loss Net income (loss) Amount of dilutive effect of the expense (income) related to adjustment to fair value of warrant liability. Fair Value Adjustment Of Warrants, Dilutive Effect Less: dilutive gain on revaluation of warrant liability Net Income (Loss) Available to Common Stockholders, Diluted Net loss for dilutive earnings per share Income (Loss) from Continuing Operations, Per Basic Share Net loss from continuing operations per share - basic (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Net loss from continuing operations per share - diluted (in dollars 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 - basic (in dollars 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 - diluted (In dollars per share) Earnings Per Share, Basic Net loss per share - basic (in dollar per share) Earnings Per Share, Diluted Net loss per share - diluted (in dollar per share) Weighted Average Number of Shares Outstanding, Basic Weighted average common shares outstanding - basic (in shares) Weighted average number of common shares, basic ((in shares) Weighted Average Number of Shares Outstanding, Diluted Weighted average common shares outstanding - diluted (in shares) Weighted average number of common shares - diluted (in shares) 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] Increase (Decrease) in Stockholders' Equity [Roll Forward] Shares, Outstanding Balance (in shares) Balance (in shares) Stock Issued During Period, Value, Stock Options Exercised Exercise of stock options Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercised Exercise of stock options (in shares) Stock Issued During Period, Value, New Issues Issuance of common stock in connection with registered direct offering, net of issuance costs Stock Issued During Period, Shares, New Issues Issuance of common stock in connection with registered direct offering, net of issuance costs (in shares) Issuance of common stock (in shares) Stock Issued During Period, Value, Employee Stock Purchase Plan Issuance of common stock under Employee Stock Purchase Plan Stock Issued During Period, Shares, Employee Stock Purchase Plans Issuance of common stock under Employee Stock Purchase Plan (in shares) Shares issued under ESPP Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures 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) APIC, Share-based Payment Arrangement, Increase for Cost Recognition Stock-based compensation The value of stock issued during the period upon exercise of warrants, net of issuance costs. Stock Issued During Period, Value, Exercise of Warrants Warrants exercise, net of administrative costs Number of shares issued during the period upon exercise of warrants. Stock Issued During Period, Shares, Exercise of Warrants Warrant exercise, net of administrative costs (in shares) 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 Disposal Group Name [Axis] Disposal Group Name [Domain] This member stands for Orthobiologics Business. Orthobiologics Business [Member] Divestiture of Orthobiologics 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 Gain (Loss) on Disposition of Business Gain on sale of Orthobiologics Business Amortization of Debt Issuance Costs and Discounts 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 or long-term debt Share-based Payment Arrangement, Noncash Expense Stock-based compensation The net amount of changes in right-of-use assets and lease liabilities and lease incentives received. Changes In Right-Of-Use Assets And Lease Liabilities and lease incentives received Changes in right-of-use assets and lease liabilities and lease incentives received 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 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 Amount of increase (decrease) in contingent liability. Increase (Decrease) Contingent Liability Contingent liability for legal proceedings 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: Proceeds from Divestiture of Businesses Proceeds from sale of Orthobiologics Business Payments to Acquire Property, Plant, and Equipment Expenditures for property 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 Common Stock Proceeds from direct registered offering and warrants, net of offering costs Amount of cash outflow to repay insurance premium financings. Repayments of Insurance Premium Financings Repayments of insurance premium financings 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 stock option exercises and issuance common stock under ESPP Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Net (decrease) increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents, end of period Cash and cash equivalents, 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 Write off of Deferred Debt Issuance Cost Write-off of deferred financing fees upon refinancing of related debt The value of the common stock that warrants are being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Common Stock Issued Upon Conversion Warrants Conversion of Prefunded Warrants to common stock 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 CIED Business Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Divestiture of CIED Business 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 Common Stock and Warrants Stockholders' Equity Note Disclosure [Text Block] Common Stock and Warrants Commitment and Contingencies. Commitments and Contingencies Disclosure [Text Block] Commitment and Contingencies Net Loss Per Share Earnings Per Share [Text Block] Net Loss Per Share 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 Use of Estimates, Policy [Policy Text Block] Use of Estimates Earnings Per Share, Policy [Policy Text Block] Net Loss per Share Attributable to Common Stockholders Fair Value of Financial Instruments, Policy [Policy Text Block] Fair Value of Financial Instruments Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Accounts Receivable [Policy Text Block] Accounts Receivable and Allowances Inventory, Policy [Policy Text Block] Inventory Property, Plant and Equipment, Policy [Policy Text Block] Property and Equipment Lessee, Leases [Policy Text Block] Leases