STOCKHOLDERS' EQUITY (Details) - Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable - 1997 Plan [Member] - Common Class A [Member]	12 Months Ended
	Jun. 30, 2020 $ / shares shares
STOCKHOLDERS' EQUITY (Details) - Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Line Items]
Options Outstanding, Shares | shares	2,000
Options Outstanding, Remaining Life in Years	7 years 262 days
Options Outstanding, Weighted Average Exercise Price | $ / shares	$ 2.74
Options Exercisable, Shares | shares	2,000
Options Exercisable, Weighted Average Exercise Price | $ / shares	$ 2.74
March 21, 2018 [Member]
STOCKHOLDERS' EQUITY (Details) - Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Line Items]
Options Outstanding, Date of Option Grant	Mar. 21, 2018
Options Outstanding, Shares | shares	2,000
Options Outstanding, Remaining Life in Years	7 years 262 days
Options Outstanding, Weighted Average Exercise Price | $ / shares	$ 2.74
Options Exercisable, Shares | shares	2,000
Options Exercisable, Weighted Average Exercise Price | $ / shares	$ 2.74