Document and Entity Information Document And Entity Information [Abstract] Statement [Table] Statement [Line Items] Document Type Amendment Flag Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Current Fiscal Year End Date Entity Filer Category Entity Central Index Key Entity Registrant Name Trading Symbol Entity Common Stock, Shares Outstanding Consolidated Statements Of Operations And Comprehensive Income [Abstract] Revenues: Revenue from Contract with Customer, Excluding Assessed Tax Total Sources of Revenue Total revenues Cost of Revenue [Abstract] Cost of products and preservation services: Products Products Cost Of Services Preservation services Cost of Goods and Services Sold Total cost of products and preservation services Total cost of products and preservation services Gross Profit Gross margin Total gross margin Operating expenses: General, administrative, and marketing Research and development Total operating expenses Total operating expenses Operating income Operating (loss) income Interest expense including reversal of interest. Interest Expense Including Reversal Of Interest Interest expense Interest income Interest income Other expense (income), net Other (income) expense, net Income before income taxes (Loss) income before income taxes Income tax expense Income tax benefit Net income Net (loss) income Net (loss) income Earnings Per Share, Basic and Diluted [Abstract] (Loss) income per common share: Earnings Per Share Basic Basic Basic (loss) income per common share Earnings Per Share Diluted Diluted Diluted (loss) income per common share Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract] Weighted-average common shares outstanding: Basic Basic weighted-average common shares outstanding Diluted Diluted weighted-average common shares outstanding Other Comprehensive Income (Loss), Net of Tax Other comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income Consolidated Balance Sheets [Abstract] ASSETS Assets, Current [Abstract] Current assets: Cash and cash equivalents Restricted Investments, Current Restricted securities Restricted Securities, Cost Basis Receivables, net Receivables, net Inventory Net Inventories Total inventories Donated human tissue is procured from deceased human donors by tissue banks and organ procurement organizations, which consign the tissue to the Company for processing, preservation, and distribution. By federal law, human tissues cannot be bought or sold, so the preservation process is a manufacturing process that is accounted for using the same principles as inventory costing. Preservation costs consist primarily of direct labor and materials and indirect costs which are stated at the lower of cost or market value on a first in, first out basis and are deferred until revenue is recognized upon shipment of the tissue to an implanting facility. Deferred Preservation Costs Deferred preservation costs Total deferred preservation costs Prepaid expenses and other current assets Prepaid expenses and other Total current assets Total current assets Property and equipment, net Property and equipment, net Goodwill Ending balance Beginning balance Goodwill Trademarks and other intangibles, net Trademarks and other intangibles, net Finite-Lived Intangible Assets, Net Patents, net Deferred Tax Assets Net Noncurrent Deferred income taxes Other long-term assets Other Total assets Total assets LIABILITIES AND SHAREHOLDERS' EQUITY Liabilities, Current [Abstract] Current liabilities: Accounts payable Accounts payable Accrued compensation Long-term Debt, Current Maturities Less short-term loan balance Current portion of long-term debt Taxes Payable, Current Taxes payable Accrued Liabilities, Current Accrued expenses and other Total current liabilities Total current liabilities Long-term Debt, Excluding Current Maturities Long-term debt Long-term loan balance Deferred Tax Liabilities, Net, Noncurrent Deferred income taxes Other Liabilities, Noncurrent Other Total liabilities Total liabilities Commitments and Contingencies 2009 Commitments and contingencies Shareholders' equity: Preferred stock Preferred stock Common stock (issued shares of 29,718 in 2010 and 29,475 in 2009) Common stock (issued shares of 38,116 in 2018 and 37,618 in 2017) Additional paid-in capital Retained deficit Retained earnings Accumulated other comprehensive loss Accumulated other comprehensive income Treasury Stock, Common, Value Treasury stock at cost (shares of 1,484 in 2018 and 1,387 in 2017) Total shareholders' equity Total shareholders' equity Total liabilities and shareholders' equity Total liabilities and shareholders' equity Common stock, shares issued Treasury Stock, Common, Shares Treasury stock at cost, shares Consolidated Statements Of Cash Flows [Abstract] Net cash flows from operating activities: Adjustments to reconcile net (loss) income to net cash from operating activities: Adjustments to reconcile net (loss) income to net cash from operating activities: Depreciation and amortization Share-based Compensation Non-cash compensation Increase (Decrease) in Deferred Income Taxes Deferred income taxes Other non-cash adjustments to income Other non-cash adjustments to income Changes in operating assets and liabilities: Increase (Decrease) in Receivables Receivables The increase (decrease) during the reporting period in deferred preservation costs and inventories, associated with underlying transactions that are classified as operating activities. Preservation costs consists primarily of directlabor and materials and indirect costs which are deferred until revenue is recognized upon shipment of the tissue to an implanting facility. Increase (Decrease) in Deferred Preservation Costs and Inventories Inventories and deferred preservation costs Prepaid expenses and other assets Prepaid expenses and other assets Accounts payable, accrued expenses, and other liabilities Net cash flows provided by operating activities Net cash flows (used in) provided by operating activities Net cash flows used in investing activities: Proceeds from Divestiture of Businesses Proceeds from sale of business components Payments to acquire property, plant and equipment Capital expenditures Other Other Net cash flows used in investing activities Net cash flows used in investing activities Net cash flows from financing activities: Repayments of Notes Payable Repayment of term loan Proceeds from Issuance of Common Stock Proceeds from exercise of stock options and issuance of common stock Payments Related to Tax Withholding for Share-based Compensation Redemption and repurchase of stock to cover tax withholdings Proceeds From Payments For Other Financing Activities Other Net cash flows (used in) provided by financing activities Net cash flows used in financing activities Effect of exchange rate changes on cash Effect of exchange rate changes on cash Increase in cash and cash equivalents (Decrease) increase in cash, cash equivalents, and restricted securities Cash and cash equivalents and restricted cash Cash, cash equivalents, and restricted securities end of period Cash, cash equivalents, and restricted securities beginning of period Cash Equivalents, Cost Basis Basis Of Presentation [Abstract] Organization Consolidation And Presentation Of Financial Statements Discousre [Text Block] Basis Of Presentation Financial Instruments [Abstract] Fair Value Disclosure [Text Block] Financial Instruments Cash Equivalents And Restricted Securities [Abstract] Cash, Cash Equivalents, and Marketable Securities [Text Block] Cash Equivalents And Restricted Securities Acquisition Of JOTEC [Abstract] Business Acquisition Disclosure [Text Block] Business Acquisition Disclosure [Text Block] Acquisition of JOTEC Inventories And Deferred Preservation Costs [Abstract] Inventory Disclosure [Text Block] Inventories And Deferred Preservation Costs Goodwill And Other Intangible Assets [Abstract] Goodwill and Intangible Assets Disclosure [Text Block] Goodwill And Other Intangible Assets Income Taxes [Abstract] Income Tax Disclosure [Text Block] Income Taxes Debt [Abstract] Debt Disclosure [Text Block] Debt Commitments And Contingencies [Abstract] Commitments And Contingencies Disclosure Text Block Commitments And Contingencies Shareholders' Equity [Abstract] Stockholders' Equity Note Disclosure [Text Block] Shareholders' Equity Revenue Recognition [Abstract] Revenue from Contract with Customer [Text Block] Revenue Recognition Stock Compensation [Abstract] Disclosure of compensation Related Costs Share Based Payments [Text Block] Stock Compensation (Loss) Income Per Common Share [Abstract] Earning Per Share [Text Block] (Loss) Income Per Common Share Segment Information [Abstract] Segment Reporting Disclosure [Text Block] Segment Information Fair Value, by Balance Sheet Grouping [Table Text Block] Summary Of Financial Instruments Measured At Fair Value Schedule of Restricted Cash and Cash Equivalents [Table Text Block] Summary Of Cash Equivalents And Restricted Securities Schedule of Purchase Price Allocation [Table Text Block] Purchase Price Allocation Business Acquisition, Pro Forma Information [Table Text Block] Pro Forma Information Schedule of Inventory, Current [Table Text Block] Schedule Of Inventories Schedule Of Deferred Preservation Costs [Table Text Block] Schedule Of Deferred Preservation Costs [Table Text Block] Schedule Of Deferred Preservation Costs Schedule of Intangible Assets and Goodwill [Table Text Block] Schedule Of Carrying Values Of Indefinite Lived Intangible Assets Schedule of Goodwill [Table Text Block] Schedule Of Goodwill By Reportable Segment Schedule of Finite-Lived Intangible Assets by Major Class [Table Text Block] Schedule Of Gross Carrying Values, Accumulated Amortization, And Approximate Amortization Period Of Definite Lived Intangible Assets Finite-lived Intangible Assets Amortization Expense [Table Text Block] Summary Of Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Scheduled Amortization Of Intangible Assets For Next Five Years Schedule of Debt [Table Text Block] Schedule Of Short-Term And Long-Term Balances Of Term Loan Disaggregation of Revenue [Table Text Block] Disaggregation Of Revenue Schedule Of Share-Based Payment Award, Employee Stock Purchase Plan And Stock Options Valuation Assumptions [Table Text Block] Schedule Of Weighted-Average Assumptions Used To Determine The Fair Value Of Options Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Summary Of Total Stock Compensation Expenses Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Computation Of Basic And Diluted Income Per Common Share Schedule of Segment Reporting Information, by Segment [Table Text Block] Revenues, Cost Of Products And Services, And Gross Margins For Operating Segments Revenue from External Customers by Products and Services [Table Text Block] Summary Of Net Revenues By Product And Service Fair Value, by Balance Sheet Grouping [Table] Fair Value, Hierarchy [Axis] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value Inputs Level1 [Member] Level 1 [Member] Fair Value Inputs Level2 [Member] Level 2 [Member] Fair Value Inputs Level3 [Member] Level 3 [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Cash and Cash Equivalents, Fair Value Disclosure Cash equivalents Cash Equivalents, Estimated Market Value Restricted Investments, at Fair Value Restricted securities Restricted Securities, Estimated Market Value Assets, Fair Value Disclosure Total assets Restrictions on Cash and Cash Equivalents [Table] Range [Axis] Range [Member] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Restricted Cash and Cash Equivalents Items [Line Items] Realized Investment Gains (Losses) Gross realized gains or losses on cash equivalents Fair Value Assumptions, Expected Term Restricted securities maturity period Schedule of Cash and Cash Equivalents [Table] Cash and Cash Equivalents [Line Items] Unrealized Gain (Loss) on Securities Unrealized Holding Gains Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Line Items] Business Acquisition, Date of Acquisition Agreement Agreement date Business Combination, Consideration Transferred Acquisition price Long-term Debt, Gross Term loan balance Line of Credit Facility, Maximum Borrowing Capacity Credit facility aggregate commitments Payments to Acquire Businesses, Gross Cash consideration Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Common shares issued Business Acquisition, Cost of Acquired Entity, Equity Interests Issued and Issuable Common stock value issued in business combination Common stock consideration Other Payments to Acquire Businesses Escrow deposit, part of payments to acquire business Goodwill, Acquired During Period Additional goodwill from JOTEC Acquisition Business Acquisition, Cost of Acquired Entity, Transaction Costs Transaction and integration costs Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Revenues Business Acquisition, Pro Forma Net Income (Loss) Net loss Business Acquisition, Pro Forma, Tax Rate Business Acquisition, Pro Forma, Tax Rate Pro forma tax rate Business Acquisition, Purchase Price Allocation, Current Assets, Cash and Cash Equivalents Cash and cash equivalents Business Acquisition, Purchase Price Allocation, Current Assets, Receivables Receivables Business Acquisition, Purchase Price Allocation, Current Assets, Inventory Inventories Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Property and Equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financial Liabilities Debt acquired Business Acquisition, Purchase Price Allocation, Liabilities Assumed Liabilities assumed Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Total purchase consideration Business Acquisition, Pro Forma Revenue Total revenues Business Acquisition, Pro Forma Earnings Per Share, Basic Pro forma loss per common share - basic Business Acquisition, Pro Forma Earnings Per Share, Diluted Pro forma loss per common share - diluted Inventory, Current [Table] Inventory [Line Items] Other Inventory, Materials, Supplies and Merchandise under Consignment, Gross Consignment inventory Consignment inventory percentage. Consignment Inventory Percentage Consignment inventory percentage Inventory, Raw Materials and Supplies, Net of Reserves Raw materials and supplies Inventory, Work in Process, Net of Reserves Work-in-process Inventory, Finished Goods, Net of Reserves Finished goods Schedule of Indefinite-Lived Intangible Assets [Table] Indefinite-lived Intangible Assets by Major Class [Axis] Indefinite Lived Intangible Assets Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Trademarks [Member] Trademarks [Member] Indefinite-lived Intangible Assets [Line Items] Indefinite-lived Intangible Assets Total indefinite lived intangible assets Schedule of Goodwill [Table] Goodwill [Line Items] Goodwill, Foreign Currency Translation Gain (Loss) Revaluation of goodwill denominated in foreign currency Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite Lived Intangible Assets Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Patents [Member] Patents [Member] Customer Lists [Member] Customer Lists And Relationships [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets, Gross Gross Carrying Value Finite-Lived Intangible Assets, Accumulated Amortization Accumulated amortization Finite-Lived Intangible Assets, Useful Life Amortization Period Finite-Lived Intangible Assets, Amortization Expense Amortization expense Future Amortization Expense, Remainder of Fiscal Year Remainder of 2018 Future Amortization Expense, Year One 2019 Future Amortization Expense, Year Two 2020 Future Amortization Expense, Year Three 2021 Future Amortization Expense, Year Four 2022 Future Amortization Expense, Year Five 2023 Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the first five fiscal years following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Finite-Lived Intangible Assets, Amortization Expense, Estimate Amortization estimate, Total Effective Income Tax Rate, Continuing Operations Effective income tax rate Income Tax Reconciliation, Other Adjustments Provision to return adjustments Deferred Tax Assets, Valuation Allowance Valuation allowances against deferred tax assets Deferred Tax Liabilities, Net Net deferred tax liability Line of Credit Facility [Table] Line of Credit Facility [Line Items] Line of Credit Facility, Expiration Date Credit facility maturity date Long-term Line of Credit Credit facility outstanding balance Line of Credit Facility, Remaining Borrowing Capacity Credit facility remaining availability Debt Instrument, Basis Spread on Variable Rate Credit facility margin Debt instrument, debt default, interest rate in addition if there is a default. Debt instrument, debt default, interest rate Credit facility default interest rate Line of Credit Facility, Interest Rate at Period End Credit facility aggregate interest rate Line of Credit Facility, Commitment Fee Percentage Credit facility commitment fee percentage Line of credit facility, percentage threshold of principal amount outstanding. Line Of Credit Facility, Percentage Threshold Of Principal Amount Outstanding Line of credit facility, percentage threshold of principal amount outstanding Debt Instrument, Term Loan term Debt Instrument, Interest Rate, Stated Percentage Interest rate on amounts borrowed Interest expense Interest expense Schedule of Long-term Debt Instruments [Table] Debt Instrument [Line Items] Debt Instrument, Unamortized Discount Less unamortized loan origination costs Long-term Debt Total borrowed Other Commitments [Table] Business Acquisition [Axis] Business Acquisition Acquiree [Domain] Business Acquisition, Acquiree [Domain] Starch Technology Purchase [Member] Starch Technology Purchase [Member] Starch Technology Purchase [Member] Other Commitments [Line Items] Loss Contingency Accrual, Product Liability, Gross Unreported loss liability Reinsurance Recoverables, Incurred but Not Reported Claims Recoverable insurance amounts Loss Contingency, Estimate of Possible Loss Estimated loss Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Grants of stock options Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Authorized awards from approved stock incentive plans Term of distribution agreement. Term Of Distribution Agreement Term of distribution agreement Expected future contingent payment amounts. Expected Future Contingent Payment Amounts Expected future contingent payment amounts Prepaid Royalties Prepaid royalties Intangible Assets, Net (Excluding Goodwill) Net intangible assets Number of notice days for termination Number of notice days Class of Treasury Stock [Table] Equity, Class of Treasury Stock [Line Items] Disaggregation of Revenue [Table] Disaggregation of Revenue [Line Items] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Award Type [Domain] Restricted Stock Awards, Restricted Stock Units, Preferred Stock Units Restricted Stock Awards Restricted Stock Units Preferred Stock Units [Member] RSAs, RSUs, And PSUs [Member] Employee Stock Option [Member] Stock Options [Member] Restricted Stock [Member] Restricted Stock Awards (RSAs) [Member] Restricted Stock Units R S U [Member] Restricted Stock Units (RSUs) [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent ESPP, percentage of market price for eligible employees Market value of share based compensation arrangement by share based payment award other than options granted during the period. Share Based Compensation Arrangement By Share Based Payment Award Other Than Options Market Value Of Shares Granted Aggregate grant date market value Target percentage of shares of common stock granted as performance stock units, based on the attainment of specified levels of adjusted EBITDA. Percentage Of Target Number Of Shares Of Common Stock Granted As Performance Stock Units Percentage of target number of shares of common stock granted as Performance Stock Units Stock Issued During Period, Shares, Employee Stock Purchase Plans Employees purchased common stock, shares Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount Capitalized stock compensation expense Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options Unrecognized compensation costs Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options Unrecognized compensation costs Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition Expected weighted-average period for recognizing the unrecognized compensation costs, in years Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Expected life of options Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected stock price volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Risk-free interest rate Stock Option And Employee Stock Purchase Plan Option Expense [Member] Stock Option And Employee Stock Purchase Plan Option Expense [Member] Stock Option And ESPP Option Expense [Member] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost Stock compensation expense Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Undistributed Earnings Allocated to Participating Securities Net loss (income) allocated to participating securities Net Income (Loss) Available to Common Stockholders, Basic Net (loss) income allocated to common shareholders Undistributed Earnings (Loss) Allocated to Participating Securities, Diluted Net loss (income) allocated to participating securities, diluted Net Income (Loss) Available to Common Stockholders, Diluted Net (loss) income allocated to common shareholders, diluted Incremental Common Shares Attributable to Share-based Payment Arrangements Effect of dilutive stock options and awards Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive securities excluded from computation of earnings per share Schedule of Segment Reporting Information, by Segment [Table] Segment Reporting Information [Line Items] Number of Reportable Segments Number of reportable segments Revenues Total revenues Schedule of Product Information [Table] Products and Services [Axis] Products And Services [Domain] Products and Services [Domain] BioGlue And BioFoam [Member] Bio Glue And Bio Foam [Member] BioGlue And BioFoam [Member] CardioGenesis Cardiac Laser Therapy [Member] Cardiogenesis Cardiac Laser Therapy [Member] CardioGenesis Cardiac Laser Therapy [Member] PerClot [Member] Per Clot [Member] PerClot [Member] PhotoFix [Member] Photofix [Member] PhotoFix [Member] Total Products [Member] Total Products [Member] Total Products [Member] Cardiac Tissue [Member] Cardiac Tissue [Member] Cardiac Tissues [Member] Vascular Tissue [Member] Vascular Tissue [Member] Vascular Tissues [Member] Total Preservation Services [Member] Total Preservation Services [Member] Total Preservation Services [Member] Product Information [Line Items] Products [Member] Products [Member] Products [Member] Preservation Services [Member] Preservation Services [Member] Preservation Services [Member] JOTEC AG [Member] Jotec Ag [Member] JOTEC [Member] Asset Class [Axis] Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation By Asset Class [Domain] Fair Value by Asset Class [Domain] Money Market Funds [Member] Money Market Funds [Member] Statement, Scenario [Axis] Scenario Unspecified [Domain] Scenario, Unspecified [Domain] Maturity Date Within Three Months [Member] Maturity Date Within Three Months [Member] Maturity Date Within Three Months [Member] Maturity Date Between Three Months And One Year [Member] Maturity Date Between Three Months And One Year [Member] Maturity Date Between Three Months And One Year [Member] Restricted Cash and Cash Equivalents [Axis] Restricted Cash And Cash Equivalents Cash And Cash Equivalents [Member] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Loans Payable [Member] Term Loan [Member] Secured Debt [Member] Senior Secured Credit Facility [Member] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Equity Interest Type [Axis] Equity Interest Issued Or Issuable Type [Domain] Equity Interest Issued or Issuable, Type [Domain] Common Stock [Member] Common Stock [Member] Geographical [Axis] Segment Geographical [Domain] Geographical [Domain] U [S] Domestic [Member] Non Us [Member] Foreign [Member] In Process Research And Development [Member] In Process R&D [Member] Contractual Rights [Member] Procurement Contracts And Agreements [Member] Technology Based Intangible Assets [Member] Acquired Technology [Member] Distribution Rights [Member] Distribution And Manufacturing Rights And Know-How [Member] Other Intangible Assets [Member] Other [Member] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Base Rate [Member] Base Rate [Member] London Interbank Offered Rate L I B O R [Member] LIBOR [Member] Long-term Debt, Type [Axis] Longterm Debt Type [Domain] Long-term Debt, Type [Domain] Government Sponsored Debt [Member] Government Sponsored Debt [Member] Government Sponsored Debt [Member] Government Sponsored Debt (KFW Loan 1) [Member] Government Sponsored Debt Kfw Loan1 [Member] 2.45% Sparkasse Zollernalb (KFW Loan 1) [Member] Government Sponsored Debt (KFW Loan 2) [Member] Government Sponsored Debt Kfw Loan2 [Member] 1.4% Sparkasse Zollernalb (KFW Loan 2) [Member] Domestic Hospitals [Member] Domestic Hospitals [Member] Domestic Hospitals [Member] International Hospitals [Member] International Hospitals [Member] International Hospitals [Member] Cardiogenesis [Member] Cardiogenesis [Member] CardioGenesis [Member] International Distributor [Member] International Distributor [Member] International Distributor [Member] Title of Individual [Axis] Title Of Individual With Relationship To Entity [Domain] Relationship to Entity [Domain] Officer [Member] Officers [Member] Employee Stock [Member] ESPP Options [Member] Performance Shares [Member] Performance Stock Units (PSUs) [Member] Restricted Stock Awards Restricted Stock Units Performance Stock Awards Performance Stock Units [Member] Restricted Stock Awards Restricted Stock Units Performance Stock Awards Performance Stock Units [Member] RSA, PSA, RSU, And PSU Expense [Member] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Intersegment Elimination [Member] Intersegment Eliminations [Member] Operating Segments [Member] Operating Segments [Member] Business Segments [Axis] Segment [Domain] Segments [Domain] Medical Devices [Member] Medical Devices [Member] Medical Devices [Member] On-X [Member] On X [Member] On-X [Member]