OTHER INVESTMENTS, NET (Details) (USD $)	Mar. 31, 2014	Jun. 30, 2013
Other Investment [Line Items]
Other investments, net	$ 15,710,000	$ 15,280,000
Preferred stock - Comstock, at cost [Member]
Other Investment [Line Items]
Other investments, net	13,231,000	13,231,000
Private equity hedge fund, at cost [Member]
Other Investment [Line Items]
Other investments, net	1,774,000	1,774,000
Corporate debt and equity instruments, at cost [Member]
Other Investment [Line Items]
Other investments, net	269,000	269,000
Other preferred stock, at cost [Member]
Other Investment [Line Items]
Other investments, net	296,000	0
Warrant [Member]
Other Investment [Line Items]
Other investments, net	$ 140,000	$ 6,000