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Other Long-Term Liabilities (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Other Long-Term Liabilities |  |
Net deferred tax liabilities related to IPR&D (Note 11) | $ 1,613 | $ 1,613
Deferred Income From Sale of Tax Benefits | 4,650 |
Contingent milestones (Note 3 and Note 13) |  | 6,862
Deferred revenue (Note 10) | 463 | 433
Total | 6,726 | 8,908
Less current portion | (1,393) | (1,554)
Long-term portion | $ 5,333 | $ 7,354

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