Note 3 - Discontinued Operations - Schedule Of Discontinued Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Depreciation	$ 6,884	$ 6,434	$ 6,704
Amortization of acquisition related intangible assets	1,237	7,783	7,783
Non-cash operating lease cost	2,150	2,231	1,850
Loss on impairment of long-lived assets	2,462	62,190	0
Stock-based compensation expense	13,130	15,243	14,315
Provision for inventory	44,708	3,341	5,329
Purchases of property and equipment	7,734	5,427	7,486
Arthrosurface Incorporated [Member]
Revenue	39,495	45,870	42,409
Arthrosurface Incorporated [Member] | Discontinued Operations, Disposed of by Sale [Member]
Depreciation	1,874	1,563	1,853
Cash and cash equivalents	1,531	4,127
Costs and operating expenses	87,469	134,353	65,479
Accounts receivable, net	3,285	9,601
Amortization of acquisition related intangible assets	559	7,148	7,147
Inventories	221	21,958
Loss from discontinued operations before income taxes	(47,974)	(88,483)	(23,070)
Non-cash operating lease cost	322	398	375
Prepaid expenses and other current assets	89	619
Benefit from income taxes	(417)	(9,255)	(6,011)
Property and equipment, net	1,134	8,753
Loss on impairment of long-lived assets	2,142	62,190	0
Right-of-use assets	892	1,213
Net loss from discontinued operations	(47,557)	(79,228)	(17,059)
Stock-based compensation expense	972	1,706	704
Other long-term assets	0	12,947
Intangible assets, net	0	2,050
Provision for inventory	42,013	1,262	435
Total assets held-for-sale	7,152	61,268
Purchases of property and equipment	467	3,310	$ 5,079
Accounts payable	797	3,665
Accrued expenses and other current liabilities	3,324	7,134
Lease liabilities	660	989
Total liabilities held-for-sale	$ 4,781	$ 11,788