Note 3 - Discontinued Operations (Details Textual) - Arthrosurface Incorporated [Member] - Discontinued Operations, Disposed of by Sale [Member] - USD ($) $ in Millions	3 Months Ended
Sep. 30, 2024	Dec. 31, 2024	Oct. 31, 2024
Financing Receivable, before Allowance for Credit Loss			$ 7.0
Disposal Group, Including Discontinued Operation, Buy-Out Payment			$ 14.0
Disposal Group, Including Discontinued Operation, Consideration		$ 5.9
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down	$ (27.4)

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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+ Details