INVESTMENT IN MARKETABLE SECURITIES (Details 1) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Schedule of Trading Securities and Other Trading Assets [Line Items]
Realized gain (loss) on marketable securities	$ 181,000	$ (107,000)	$ (119,000)	$ 312,000
Unrealized gain (loss) on marketable securities	726,000	(260,000)	673,000	(57,000)
Unrealized loss on marketable securities related to Comstock	(2,085,000)	(2,923,000)	(2,754,000)	(2,391,000)
Net loss on marketable securities	$ (1,178,000)	$ (3,290,000)	$ (2,200,000)	$ (2,136,000)