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Income Taxes (Narrative) (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Investments, Owned, Federal Income Tax Note [Line Items] |  |  |
Effective income tax rate | 28.00% |  | (3.00%)
Net deferred tax liability | $ 23,185,000 | $ 26,442,000 |
Valuation allowances against deferred tax assets | 17,942,000 | 13,282,000 |
Federal net operating loss carryforwards related to the acquisitions of Cardiogenesis and Hemosphere | 1,600,000 |  |
State net operating loss carryforwards | 2,500,000 |  |
Foreign net operating loss carryforwards | 5,600,000 |  |
Research and development tax credit carryforwards | 483,000 |  |
Other tax credit | 93,000 |  |
Excess interest carryforward | 5,559,000 | 3,547,000 |
Interest deduction limit | 8,100,000 | 11,700,000 |
Income tax benefit | (4,208,000) | (7,000) | $ 492,000
Non-current liabilities recorded related to interest and penalties on uncertain tax positions | 358,000 | 220,000 |
Penalties and interest income (expense) | 145,000 | (35,000) | 180,000
Total uncertain tax liability including interest and penalties | 4,900,000 | 4,300,000 |
Uncertain tax liability recorded as reduction to deferred tax assets | 100,000 | 300,000 |
Uncertain tax liability recorded to non-current liability | 4,800,000 | 4,000,000 |
Approximate amount that would affect tax rate | 3,600,000 | $ 3,200,000 | $ 2,600,000
Approximate amount of uncertain tax liability to be recognized | 112,000 |  |
Correction In Calculation Of Valuation Allowance And Uncertain Tax Position |  |  |
Investments, Owned, Federal Income Tax Note [Line Items] |  |  |
Income tax benefit | 2,100,000 |  |
Foreign Authority |  |  |
Investments, Owned, Federal Income Tax Note [Line Items] |  |  |
Net deferred tax liability | $ 0 |  |

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