Note 5 - Composition of Certain Financial Statement Captions - Schedule of Financial Statement Information (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Accounts receivable	$ 97,684	$ 119,284
Less: allowance for credit losses	(1,534)	(1,267)
Accounts Receivable, after Allowance for Credit Loss, Current	96,150	118,017
Consumable supplies	15,079	15,488
Finished products	39,875	32,310
Work in-process	1,589	2,355
Raw materials	10,944	9,418
Less: inventory reserve	(3,486)	(2,774)
Inventory, Net	64,001	56,797
Escrow receivable	24,193	23,750
Taxes recoverable	6,748	8,266
Prepaid expenses	9,494	6,785
Prepaid insurance	1,533	3,818
Other receivables	1,627	2,015
Other	10,846	10,705
Prepaid Expense and Other Assets, Current	54,441	55,339
Less: accumulated amortization	(516,797)	(526,524)
Finite-Lived Intangible Assets, Net	568,518	616,613
Employee benefits and severance	39,948	34,167
Clinical trials	4,175	6,104
Commitments and contingencies	6,411	9,850
Accrued interest	5,460	8,313
Gross to net provision	5,081	6,920
Inventory received but not invoiced	1,891	2,146
Finance leases short-term	1,617	1,679
Professional fees	2,165	2,521
Taxes payable	25,714	22,275
Royalties	233	563
Commissions	1,407	1,434
Other	19,107	22,385
Accrued Liabilities, Current	113,209	118,357
Employee severance	11,919	14,269
Mortgages and other debts payable	2,833	3,002
Finance leases long-term	3,799	4,064
Other	11,460	11,503
Other Liabilities, Noncurrent	30,011	32,838
Customer Relationships [Member]
Finite lived intangible assets, gross	203,611	255,430
Technology-Based Intangible Assets [Member]
Finite lived intangible assets, gross	800,304	806,858
Trade Names [Member]
Finite lived intangible assets, gross	49,743	49,726
Noncompete Agreements [Member]
Finite lived intangible assets, gross	12,912	12,906
Licensing Agreements [Member]
Finite lived intangible assets, gross	6,371	6,316
Project Registration [Member]
Finite lived intangible assets, gross	6,464	6,172
Other Intangible Assets [Member]
Finite lived intangible assets, gross	$ 5,910	$ 5,729