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Note 3 - Business Combinations (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Feb. 03, 2020
Jan. 24, 2020
Jul. 31, 2021
Oct. 31, 2020
Sep. 30, 2022
Mar. 31, 2020
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Business Combination, Contingent Consideration, Liability, Current         $ 0   $ 0   $ 4,315
Finite-Lived Intangible Asset, Useful Life (Year)             13 years    
Payment for Contingent Consideration Liability, Financing Activities             $ 4,315 $ 7,220  
Developed Technology Rights [Member]                  
Finite-Lived Intangible Asset, Useful Life (Year)             15 years    
Customer Relationships [Member]                  
Finite-Lived Intangible Asset, Useful Life (Year)             10 years    
Trade Names [Member]                  
Finite-Lived Intangible Asset, Useful Life (Year)             5 years    
Parcus Medical [Member]                  
Business Combination, Consideration Transferred, Total   $ 75,136              
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
Business Combination, Acquisition Related Costs           $ 1,900      
Payment for Contingent Consideration Liability, Financing Activities         $ 4,300        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles   $ 44,000              
Parcus Medical [Member] | Developed Technology Rights [Member]                  
Finite-Lived Intangible Asset, Useful Life (Year)   15 years              
Parcus Medical [Member] | Customer Relationships [Member]                  
Finite-Lived Intangible Asset, Useful Life (Year)   10 years              
Parcus Medical [Member] | Trade Names [Member]                  
Finite-Lived Intangible Asset, Useful Life (Year)   5 years              
Arthrosurface [Member]                  
Business Combination, Consideration Transferred, Total $ 90,285                
Business Combination, Contingent Consideration Arrangements, Change in Range of Outcomes, Contingent Consideration, Liability, Value, High 40,000                
Business Combination, Acquisition Related Costs           $ 2,200      
Payment for Contingent Consideration Liability, Financing Activities     $ 10,000 $ 5,000          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles $ 48,900                
Arthrosurface [Member] | Developed Technology Rights [Member]                  
Finite-Lived Intangible Asset, Useful Life (Year) 15 years                
Arthrosurface [Member] | Customer Relationships [Member]                  
Finite-Lived Intangible Asset, Useful Life (Year) 10 years                
Arthrosurface [Member] | Trade Names [Member]                  
Finite-Lived Intangible Asset, Useful Life (Year) 5 years                
Arthrosurface [Member] | In Process Research and Development [Member]                  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles                 $ 600