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	$ 249,000	$ 5,000	$ 290,000	$ (70,000)
Unrealized (loss) gain on marketable securities	(635,000)	203,000	(687,000)	168,000
Unrealized loss on marketable securities related to Comstock	(75,000)	(1,053,000)	(341,000)	(1,380,000)
Net loss on marketable securities	$ (461,000)	$ (845,000)	$ (738,000)	$ (1,282,000)