INVESTMENT IN MARKETABLE SECURITIES (Details 1) - USD ($)	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Debt and Equity Securities, FV-NI [Line Items]
Realized loss on marketable securities	$ (8,000)	$ (300,000)
Unrealized gain (loss) on marketable securities	217,000	(191,000)
Unrealized loss on marketable securities related to Comstock	(380,000)	(531,000)
Net loss on marketable securities	$ (171,000)	$ (1,022,000)