Note 2 - Significant Accounting Policies - Schedule of Changes in Contract Assets and Liabilities (Details)	12 Months Ended
	Jun. 30, 2022 USD ($)
Balance	$ 1,657,861
Amounts reclassified to accounts receivable	(856,829)
Other	(43,547)
Balance	757,485	[1]
Balance	1,755,341
Amounts billed but not recognized as revenue	1,501,427
Revenue recognized related to the opening balance of deferred revenue	(1,701,625)
Balance	$ 1,555,143

[1] Contract asset balances for June 30, 2022 include a current and a long-term contract asset of $649,433 and $108,052, respectively.