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Goodwill and Intangible Assets - Net Book Value (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Unamortizable intangible assets: |  |
Unamortizable intangible assets: Goodwill, Gross Value | $ 16,836 | $ 18,491
Unamortizable intangible assets: Accumulated Amortization | 0 | 0
Unamortizable intangible assets: Net Book Value | 16,836 | 18,491
Disposal Group, Disposed of by Sale, Not Discontinued Operations | The Business |  |
Unamortizable intangible assets: |  |
Unamortizable intangible assets: Net Book Value | 1,655 |
In Process Research and Development | Vazculep |  |
Amortizable intangible assets: |  |
Amortizable intangible assets: Gross Value | 0 | 12,061
Amortizable intangible assets: Accumulated Amortization | 0 | (11,248)
Amortizable intangible assets: Net Carrying Amount | $ 0 | $ 813

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