Note 9 - Deferred Revenue - Arrangement of Deferred Revenue (Details) - USD ($)	Jun. 30, 2026	Jun. 30, 2025
Deferred revenue	$ 4,509,815	$ 3,175,908
Subscription and Circulation [Member]
Deferred revenue	3,072,889	2,799,317
Product and Service, Other [Member]
Deferred revenue	$ 1,436,926	$ 376,591

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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