Note 3 - Business Combinations - Fair Value of Net Assets Acquired (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021	Feb. 03, 2020	Jan. 24, 2020
Goodwill	$ 6,721	$ 7,781
Parcus Medical [Member]
Cash and cash equivalents				$ 196
Accounts receivable				2,029
Inventories				10,968
Prepaid expenses and other current assets				364
Property and equipment, net				1,099
Right-of-use assets				944
Intangible assets				44,000
Accounts payable, accrued expenses and other current liabilities				(2,763)
Other long-term liabilities				(594)
Lease liabilities				(735)
Net assets acquired				55,508
Goodwill				19,628
Estimated total purchase consideration				75,136
Intangible assets				44,000
Parcus Medical [Member] | Developed Technology Rights [Member]
Intangible assets				41,100
Parcus Medical [Member] | Trade Names [Member]
Intangible assets				1,800
Parcus Medical [Member] | Customer Relationships [Member]
Intangible assets				$ 1,100
Arthrosurface [Member]
Cash and cash equivalents			$ 1,072
Accounts receivable			5,368
Inventories			15,652
Prepaid expenses and other current assets			535
Property and equipment, net			3,394
Intangible assets			48,900
Accounts payable, accrued expenses and other current liabilities			(3,929)
Net assets acquired			67,393
Goodwill			22,892
Estimated total purchase consideration			90,285
Other long-term assets			7,548
Deferred tax liabilities			(11,147)
Intangible assets			48,900
Arthrosurface [Member] | Developed Technology Rights [Member]
Intangible assets			37,000
Arthrosurface [Member] | Trade Names [Member]
Intangible assets			3,400
Arthrosurface [Member] | Customer Relationships [Member]
Intangible assets			7,900
Arthrosurface [Member] | In Process Research and Development [Member]
Intangible assets		$ 600
Intangible assets			$ 600