Note 7 - Other Assets (Tables)

12 Months Ended

Jun. 30, 2018

Notes Tables

Schedule of Other Assets [Table Text Block]

	As of June 30, 201 8		As of June 30, 201 7
Deposits	$	-	$	183,634
Prepaid expenses		358,869		28,667
Other current assets		15,748		7,298
Notes receivable		-		150,000
Total	$	374,617	$	369,599

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

	As of June 30, 2018
	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
Money market funds	$	180,138	$	-	$	-		$	180,138
USCI mutual fund investment		2,500,000		280,480		-			2,780,480
Hedged asset		523,100		-		(280,761	)		242,339
Other equities		1,577		-		(529	)		1,048
Total short-term investments	$	3,204,815	$	280,480	$	(281,290	)		3,204,005

	As of June 30, 2017
	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
Money market funds	$	86,204	$	-	$	-		$	86,204
USCI mutual fund investment		2,500,000		-		(49,080	)		2,450,920
MENU ETF investment		768,427		41,473		-			809,900
Hedged asset		187,000		43,746		-			230,746
Other equities		1,577		-		(598	)		979
Total short-term investments	$	3,543,208	$	85,219	$	(49,678	)		3,578,749

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

	As of June 30 , 2018
	Total		Level 1		Level 2		Level 3
Money market funds	$	180,138	$	180,138	$	-	$	-
Mutual fund investment		2,780,480		2780,480		-		-
Hedge asset		242,339		-		242,339		-
Other equities		1,048		1,048		-		-
Total	$	3,204,005	$	2,961,666	$	242,339	$	-

	As of June 30, 2017
	Total		Level 1		Level 2		Level 3
Money market funds	$	86,204	$	86,204	$	-	$	-
Mutual fund investment		2,450,920		2,450,920		-		-
ETF investment		809,900		809,900		-		-
Hedge asset		230,746		-		230,746		-
Other equities		979		979		-		-
Total	$	3,578,749	$	3,348,003	$	230,746	$	-