OTHER INVESTMENTS, NET (Details Textual) - USD ($)	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Other Investment [Line Items]
Unrealized Gain Loss On Other Investments And Derivative Instruments	$ (127,000)	$ (204,000)
Other Investments, Total	1,029,000	15,082,000
Comstock Mining, Inc [Member]
Other Investment [Line Items]
Other Investments, Total		$ 13,231,000
Preferred Stock, Shares Outstanding		13,231
Warrant [Member]
Other Investment [Line Items]
Available-for-sale Debt Securities, Amortized Cost Basis	267,000	$ 257,000
Available-for-sale Securities	0	104,000
Unrealized Gain Loss On Other Investments And Derivative Instruments	$ 104,000	$ 103,000