OTHER INVESTMENTS, NET (Details) - USD ($)	Jun. 30, 2015	Jun. 30, 2014
Other Investments [Line Items]
Other investments, net	$ 5,003,000	$ 5,297,000
Preferred Stock - Comstock, At Cost [Member]
Other Investments [Line Items]
Other investments, net	4,410,000	4,410,000
Private Equity Hedge Fund , At Cost [Member]
Other Investments [Line Items]
Other investments, net	456,000	601,000
Corporate Debt and Equity Instruments, At Cost [Member]
Other Investments [Line Items]
Other investments, net	0	101,000
Other preferred stock [Member]
Other Investments [Line Items]
Other investments, net	112,000	120,000
Warrants - at fair value [Member]
Other Investments [Line Items]
Other investments, net	$ 25,000	$ 65,000