INVESTMENT IN MARKETABLE SECURITIES (Details 1) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Schedule of Trading Securities and Other Trading Assets [Line Items]
Realized gain on marketable securities	$ 534,000	$ 202,000	$ 415,000	$ 514,000
Unrealized gain on marketable securities	102,000	471,000	775,000	414,000
Unrealized loss on marketable securities related to Comstock	(744,000)	(1,063,000)	(3,498,000)	(3,454,000)
Net loss on marketable securities	$ (108,000)	$ (390,000)	$ (2,308,000)	$ (2,526,000)