OTHER INVESTMENTS, NET (Details Textual) - USD ($)	Dec. 31, 2015	Jun. 30, 2015
Other Investment [Line Items]
Other Investments, Total	$ 1,415,000	$ 15,082,000
Comstock Mining, Inc [Member]
Other Investment [Line Items]
Other Investments, Total		$ 13,231,000
Preferred Stock, Shares Outstanding		13,231