FAIR VALUE MEASUREMENTS (Details) (USD $) | Dec. 31, 2014 | Jun. 30, 2014 |
Assets: | | |
Other investments - warrants | $181,000 | $207,000 |
Investment in marketable securities | 11,926,000 | 11,420,000 |
Assets, Fair Value Disclosure | 12,107,000 | 11,627,000 |
Fair Value, Inputs, Level 1 [Member] | | |
Assets: | | |
Other investments - warrants | 0 | 0 |
Investment in marketable securities | 11,926,000 | 11,420,000 |
Assets, Fair Value Disclosure | 11,926,000 | 11,420,000 |
Fair Value, Inputs, Level 2 [Member] | | |
Assets: | | |
Other investments - warrants | 0 | 0 |
Investment in marketable securities | 0 | 0 |
Assets, Fair Value Disclosure | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | | |
Assets: | | |
Other investments - warrants | 181,000 | 207,000 |
Investment in marketable securities | 0 | 0 |
Assets, Fair Value Disclosure | 181,000 | 207,000 |
Basic Materials [Member] | | |
Assets: | | |
Investment in marketable securities | 4,830,000 | 5,081,000 |
Basic Materials [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Assets: | | |
Investment in marketable securities | 4,830,000 | 5,081,000 |
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 |
Energy [Member] | | |
Assets: | | |
Investment in marketable securities | 2,906,000 | |
Energy [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Assets: | | |
Investment in marketable securities | 2,906,000 | |
Energy [Member] | Fair Value, Inputs, Level 2 [Member] | | |
Assets: | | |
Investment in marketable securities | 0 | |
Energy [Member] | Fair Value, Inputs, Level 3 [Member] | | |
Assets: | | |
Investment in marketable securities | 0 | |
Technology [Member] | | |
Assets: | | |
Investment in marketable securities | 1,202,000 | 1,395,000 |
Technology [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Assets: | | |
Investment in marketable securities | 1,202,000 | 1,395,000 |
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 |
REITs and Real Estate Companies [Member] | | |
Assets: | | |
Investment in marketable securities | 964,000 | 1,001,000 |
REITs and Real Estate Companies [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Assets: | | |
Investment in marketable securities | 964,000 | 1,001,000 |
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 |
Financial Services [Member] | | |
Assets: | | |
Investment in marketable securities | 582,000 | 820,000 |
Financial Services [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Assets: | | |
Investment in marketable securities | 582,000 | 820,000 |
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 |
Other [Member] | | |
Assets: | | |
Investment in marketable securities | 1,442,000 | 3,123,000 |
Other [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Assets: | | |
Investment in marketable securities | 1,442,000 | 3,123,000 |
Other [Member] | Fair Value, Inputs, Level 2 [Member] | | |
Assets: | | |
Investment in marketable securities | 0 | 0 |
Other [Member] | Fair Value, Inputs, Level 3 [Member] | | |
Assets: | | |
Investment in marketable securities | $0 | $0 |