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Note 6 - Fair Value of Financial Instruments (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Dec. 22, 2021
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Payment for Contingent Consideration Liability, Financing Activities           $ 5,000 $ (0)
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability       $ 198 $ 6,002 3,051 $ 6,002
Present Value of Non-competition Agreement       8,400   8,400  
Contech Medical, Inc and DAS Medical [Member]              
Business Combination, Consideration Transferred, Liabilities Incurred $ 20,000 $ 20,000          
Payment for Contingent Consideration Liability, Financing Activities       5,000      
Business Combination, Contingent Consideration, Liability, Total       $ 9,700   9,700  
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability           $ 12,600  
DAS Medical [Member] | Non-Competition Agreements [Member]              
Payments to Acquire Businesses, Gross     $ 10,000        
Business Combination, Agreement Term (Year)     10 years