FAIR VALUE MEASUREMENTS (Details) (USD $)	Jun. 30, 2013	Jun. 30, 2012
Assets:
Cash equivalents - money market	$ 3,000	$ 3,000
Restricted cash	2,448,000	1,977,000
Other investments - warrants	6,000	282,000
Investment in marketable securities	12,624,000	8,981,000
Assets, Fair Value Disclosure	15,081,000	11,243,000
Liabilities:
Interest rate swap		60,000
Fair Value, Inputs, Level 1 [Member]
Assets:
Cash equivalents - money market	3,000	3,000
Restricted cash	2,448,000	1,977,000
Investment in marketable securities	12,624,000	8,981,000
Assets, Fair Value Disclosure	15,075,000	10,961,000
Liabilities:
Interest rate swap		0
Fair Value, Inputs, Level 2 [Member]
Assets:
Cash equivalents - money market	0	0
Restricted cash	0	0
Other investments - warrants	0	0
Investment in marketable securities	0	0
Assets, Fair Value Disclosure	0	0
Liabilities:
Interest rate swap		60,000
Fair Value, Inputs, Level 3 [Member]
Assets:
Cash equivalents - money market	0	0
Restricted cash	0	0
Other investments - warrants	6,000	282,000
Investment in marketable securities	0	0
Assets, Fair Value Disclosure	6,000	282,000
Liabilities:
Interest rate swap		0
Basic Materials [Member]
Assets:
Investment in marketable securities	4,733,000	4,706,000
Basic Materials [Member] | Fair Value, Inputs, Level 1 [Member]
Assets:
Investment in marketable securities	4,733,000	4,706,000
Basic Materials [Member] | Fair Value, Inputs, Level 2 [Member]
Assets:
Investment in marketable securities	0	0
Basic Materials [Member] | Fair Value, Inputs, Level 3 [Member]
Assets:
Investment in marketable securities	0	0
Technology [Member]
Assets:
Investment in marketable securities	2,698,000	1,203,000
Technology [Member] | Fair Value, Inputs, Level 1 [Member]
Assets:
Investment in marketable securities	2,698,000	1,203,000
Technology [Member] | Fair Value, Inputs, Level 2 [Member]
Assets:
Investment in marketable securities	0	0
Technology [Member] | Fair Value, Inputs, Level 3 [Member]
Assets:
Investment in marketable securities	0	0
Financial Services [Member]
Assets:
Investment in marketable securities	2,261,000	743,000
Financial Services [Member] | Fair Value, Inputs, Level 1 [Member]
Assets:
Investment in marketable securities	2,261,000	743,000
Financial Services [Member] | Fair Value, Inputs, Level 2 [Member]
Assets:
Investment in marketable securities	0	0
Financial Services [Member] | Fair Value, Inputs, Level 3 [Member]
Assets:
Investment in marketable securities	0	0
REITs and Real Estate Companies [Member]
Assets:
Investment in marketable securities	878,000	866,000
REITs and Real Estate Companies [Member] | Fair Value, Inputs, Level 1 [Member]
Assets:
Investment in marketable securities	878,000	866,000
REITs and Real Estate Companies [Member] | Fair Value, Inputs, Level 2 [Member]
Assets:
Investment in marketable securities	0	0
REITs and Real Estate Companies [Member] | Fair Value, Inputs, Level 3 [Member]
Assets:
Investment in marketable securities	0	0
Other Fair Value [Member]
Assets:
Investment in marketable securities	2,054,000	1,463,000
Other Fair Value [Member] | Fair Value, Inputs, Level 1 [Member]
Assets:
Investment in marketable securities	2,054,000	1,463,000
Other Fair Value [Member] | Fair Value, Inputs, Level 2 [Member]
Assets:
Investment in marketable securities	0	0
Other Fair Value [Member] | Fair Value, Inputs, Level 3 [Member]
Assets:
Investment in marketable securities	$ 0	$ 0