Note 6 - Income Taxes - Income Tax Expense Benefit Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Computed “expected” tax benefit	$ (484)	$ (25,995)	$ (41,509)
Foreign income taxed at different rates	(7,240)	10,984	27,639
Uncertain tax positions	(7,885)	(25,417)	(62,833)
Nondeductible transaction costs	5,410	0	0
Valuation allowance - deferred tax assets	11,339	34,566	43,455
Valuation allowance - deferred tax true-up	(453)	29,711	(6,523)
Deferred tax true-up	453	(29,789)	6,523
Foreign taxes	27,945	15,220	12,520
Return to accrual	(12,162)	(7,691)	11,401
162(m) - Executive compensation	552	125	286
Subpart F income	3,495	484	5,631
Other, net	(1,084)	3,677	2,445
Income Tax Expense (Benefit), Total	$ 19,886	$ 5,875	$ (965)