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Other Long-Term Liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Other Long-Term Liabilities |  |
Net deferred tax liabilities related to IPR&D | $ 1,613 | $ 1,613
Deferred income from sale of tax benefits | 2,790 | 3,720
Deferred revenue | 2,947 | 3,058
Total | 7,350 | 8,391
Less current portion | (3,877) | (3,988)
Long-term portion | $ 3,473 | $ 4,403

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