INVESTMENT IN MARKETABLE SECURITIES (Details 1) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Debt and Equity Securities, FV-NI [Line Items]
Realized gain (loss) on marketable securities	$ 530,000	$ 181,000	$ 522,000	$ (119,000)
Unrealized (loss) gain on marketable securities	(2,475,000)	726,000	(2,202,000)	673,000
Unrealized loss on marketable securities related to Comstock	(26,000)	(2,085,000)	(462,000)	(2,754,000)
Net loss on marketable securities	$ (1,971,000)	$ (1,178,000)	$ (2,142,000)	$ (2,200,000)