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Note 9 - Deferred Revenue - Arrangement Revenue (Details) - USD ($)
Jun. 30, 2023
Jun. 30, 2022
Subscription $ 1,903,001 $ 1,555,143
Subscription and Circulation [Member]    
Subscription 1,543,455 1,188,003
Product and Service, Other [Member]    
Subscription $ 359,546 $ 367,140