Note 5 - Inventories (Details Textual) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Inventory Valuation Reserves	$ 6,500	$ 6,500		$ 11,700
Inventory Write-down		26,078	$ 2,607
Arthrosurface [Member] | Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations [Member]
Inventory Write-down	$ 22,700
Arthrosurface [Member] | Discontinued Operations, Held-for-Sale or Disposed of by Sale [Member]
Inventory Write-down		$ 22,700