Note 5 - Composition of Certain Financial Statement Captions - Schedule of Financial Statement Information (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Accounts receivable	$ 113,360	$ 125,379
Less: allowance for credit losses	(1,993)	(2,000)
Accounts Receivable, after Allowance for Credit Loss, Current	111,367	123,379
Consumable supplies	19,346	35,582
Finished products	34,008	25,864
Work in-process	3,286	1,731
Raw materials	8,246	8,981
Less: inventory reserve	(5,520)	(6,461)
Inventory, Net	59,366	65,697
Taxes recoverable	3,674	4,211
Prepaid expenses	8,649	6,177
Prepaid insurance	1,538	3,848
Other receivables	4,165	2,610
Other	6,626	7,673
Prepaid Expense and Other Assets, Current	24,652	24,519
Less: accumulated amortization	(471,072)	(488,694)
Finite-Lived Intangible Assets, Net	680,034	740,283
Employee benefits	31,264	28,952
Clinical trials	6,077	7,624
Commitments and contingencies	8,642	8,088
Gross to net provision	6,082	9,420
Inventory received but not invoiced	2,972	1,653
Finance leases short-term	1,783	2,827
Professional fees	2,571	3,470
Taxes payable	3,751	1,384
Royalties	1,705	1,544
Commissions	1,877	1,822
Other	22,048	23,302
Accrued Liabilities, Current	88,772	90,086
Mortgages and other debts payable	4,036	7,709
Finance leases long-term	4,987	7,274
Contract liabilities	7	7
Other	12,166	12,199
Other Liabilities, Noncurrent	21,196	27,189
Customer Relationships [Member]
Finite lived intangible assets, gross	256,732	315,799
Technology-Based Intangible Assets [Member]
Finite lived intangible assets, gross	813,234	831,509
Trade Names [Member]
Finite lived intangible assets, gross	49,739	49,758
Noncompete Agreements [Member]
Finite lived intangible assets, gross	12,912	12,916
Licensing Agreements [Member]
Finite lived intangible assets, gross	6,259	6,205
Project Registration [Member]
Finite lived intangible assets, gross	6,331	6,790
Other Intangible Assets [Member]
Finite lived intangible assets, gross	$ 5,899	$ 6,000