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Note 2 - Acquisition (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 6 Months Ended
Jan. 04, 2021
Jan. 31, 2022
Jun. 30, 2022
Jun. 30, 2021
Payments to Acquire Businesses, Gross       $ 3,000
Payment for Contingent Consideration Liability, Financing Activities     $ 1,950  
PatientWisdom, Inc. [Member]        
Payments to Acquire Businesses, Gross $ 3,000      
Business Combination, Consideration Transferred, Total $ 5,000      
Payment for Contingent Consideration Liability, Financing Activities   $ 2,000