OTHER INVESTMENTS, NET (Details) (USD $)	Jun. 30, 2013	Jun. 30, 2012
Other Investment [Line Items]
Other investments, net	$ 7,933,000	$ 8,171,000
Preferred Stock - Comstock, At Cost [Member]
Other Investment [Line Items]
Other investments, net	6,659,000	6,659,000
Private Equity Hedge Fund, At Cost [Member]
Other Investment [Line Items]
Other investments, net	1,102,000	1,164,000
Corporate Debt And Equity Instruments, At Cost [Member]
Other Investment [Line Items]
Other investments, net	168,000	168,000
Warrant [Member]
Other Investment [Line Items]
Other investments, net	$ 4,000	$ 180,000