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Other Assets and Liabilities - Other Current Liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Other Liabilities, Current [Abstract] |  |
Accrued interest | $ 1,094 | $ 4,920
Guarantee to Deerfield | 279 | 280
Other | 69 | 70
Other current liabilities | $ 1,442 | $ 5,270

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