OTHER INVESTMENTS, NET (Details) (USD $)	Mar. 31, 2013	Jun. 30, 2012
Other investments, net	$ 8,002,000	$ 8,171,000
Warrant [Member]
Other investments, net	11,000	180,000
Corporate Debt Securities [Member]
Other investments, net	168,000	168,000
Private Equity Funds [Member]
Other investments, net	1,164,000	1,164,000
Convertible Preferred Stock [Member]
Other investments, net	$ 6,659,000	$ 6,659,000