INVESTMENT IN MARKETABLE SECURITIES - Trading securities (Details) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Debt and Equity Securities, FV-NI [Line Items]
Net Unrealized Loss	$ (927,000)	$ 3,598,000
Fair Value	9,696,000	13,841,000
Corporate Equities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Cost	19,204,000	22,388,000
Gross Unrealized Gain	1,753,000	2,450,000
Gross Unrealized Loss	(11,261,000)	(10,997,000)
Net Unrealized Loss	(9,508,000)	(8,547,000)
Fair Value	$ 9,696,000	$ 13,841,000