Other Accrued Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accrued Liabilities, Current [Abstract]
FOTIVDA U.S. Product Royalties	$ 2,420	$ 2,011
FOTIVDA Federal Rebates, Customer Credits and Co-Pay Assistance	2,187	1,170
Professional Fees	1,497	1,107
Other	937	1,133
Total	$ 7,041	$ 5,421

Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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