Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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Value of input used to measure contingent consideration liability from business combination.

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Note 4 - Fair Value Measurements (Details Textual) $ in Thousands				1 Months Ended		12 Months Ended
	Jul. 01, 2021 USD ($)	Feb. 03, 2020 USD ($)	Jan. 24, 2020 USD ($)	Jul. 31, 2021 USD ($)	Oct. 31, 2020 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Debt Securities, Available-for-sale, Total						$ 0
Payment for Contingent Consideration Liability, Financing Activities						7,220	$ 4,478	$ (0)
Business Combination, Contingent Consideration, Liability, Current						4,315	13,090
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability						(21,095)	$ (28,666)	$ 0
Parcus Medical and Arthrosurface Acquisitions [Member]
Business Combination, Contingent Consideration Arrangements, Change in Range of Outcomes, Contingent Consideration, Liability, Value, High						$ 100,000
Parcus Medical and Arthrosurface Acquisitions [Member] \| Minimum [Member] \| Measurement Input, Discount Rate [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input						3.1
Parcus Medical and Arthrosurface Acquisitions [Member] \| Minimum [Member] \| Measurement Input, Weighted Average Cost of Capital [Member] \| Regulatory Earn Out Milestone [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input							60
Parcus Medical and Arthrosurface Acquisitions [Member] \| Maximum [Member] \| Measurement Input, Discount Rate [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input						3.4
Parcus Medical and Arthrosurface Acquisitions [Member] \| Maximum [Member] \| Measurement Input, Weighted Average Cost of Capital [Member] \| Regulatory Earn Out Milestone [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input							75
Parcus Medical [Member]
Business Combination, Contingent Consideration Arrangements, Change in Range of Outcomes, Contingent Consideration, Liability, Value, High			$ 60,000
Business Combination, Contingent Consideration, Liability, Current						$ 4,300
Parcus Medical [Member] \| Measurement Input, Weighted Average Cost of Capital [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input						11.3	11.4
Arthrosurface [Member]
Business Combination, Contingent Consideration Arrangements, Change in Range of Outcomes, Contingent Consideration, Liability, Value, High		$ 40,000
Payment for Contingent Consideration Liability, Financing Activities	$ 10,000			$ 10,000	$ 5,000
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability						$ 21,100	$ 28,700
Arthrosurface [Member] \| Measurement Input, Weighted Average Cost of Capital [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input							11.4
US Treasury Bill Securities [Member]
Debt Securities, Available-for-sale, Total							$ 2,500