Note 7 - Other Assets (Tables)

9 Months Ended

Mar. 31, 2022

Notes Tables

Schedule of Other Assets [Table Text Block]

	As of March 31, 2022		As of June 30, 2021
Deposits and prepaid expenses	$	779,752	$	373,381
Other current assets		168,617		26,143
Total	$	948,369	$	399,524

Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]

	March 31, 2022
	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
Money market funds	$	1,299,393	$	5,378	$	-		$	1,304,771
Other short term investments		270,413		-		(583	)		269,830
Other equities		1,246,926		119,403		-			1,366,329
Total short-term investments	$	2,816,732	$	124,781	$	(583	)	$	2,940,930

	June 30, 2021
	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
Money market funds	$	1,044,748	$	5,378	$	-		$	1,050,126
Other short term investments		772,981		4,568		-			777,549
Other equities		1,421		-		(170	)		1,251
Total short-term investments	$	1,819,150	$	9,946	$	(170	)	$	1,828,926