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Note 7 - Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Balance $ 192,398 $ 182,501
Post-closing adjustment (1,305)  
Effect of exchange rate changes 286 (843)
Balance 191,379 192,398
CloudCME, LLC [Member]    
Acquisition of CloudCME   6,819
Electronic Education Documentation System, LLC [Member]    
Balance $ 2,300  
Acquisition of CloudCME   3,568
ANSOS [Member]    
Post-closing adjustment   267
ComplyALIGN [Member]    
Post-closing adjustment   40
Rievent Technologies [Member]    
Post-closing adjustment   $ 46