Annual report pursuant to Section 13 and 15(d)

Income Taxes - Reconciliation of Income Tax Expense (Benefit) (Details)

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Income Taxes - Reconciliation of Income Tax Expense (Benefit) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]      
Tax at federal statutory rate $ 7,562 $ 15,163 $ 272
State, net of federal benefit 264 (82) (1,231)
Contingent liabilities 15 (7,993) (266)
Share-based compensation 1,279 (12,080) (623)
FDII (2,395) (637) (1,652)
Research and development credits 256 (1,628) (168)
Change in uncertain tax positions (158) 480 (673)
Rate change for changes in federal, foreign or state law (535) (7,963) (164)
Provision to return adjustments 2,232 (1,347) (5,920)
Foreign tax differential on income/loss of foreign subsidiaries 103 (114) (3,839)
Change in valuation allowance 24,799 11,245 (121,864)
Sale of Vernalis R&D 0 0 127,372
Debt repurchases 626 0 0
Subpart F income 853 1,392 25
Officer compensation 5,869 3,239 2,410
Other 460 (3,823) 1,015
Total income tax expense (benefit) $ 41,230 $ (4,148) $ (5,306)