FAIR VALUE MEASUREMENTS (Details) (USD $) | Sep. 30, 2013 | Jun. 30, 2013 |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Cash equivalents - money market | $3,000 | $3,000 |
Other investments - warrants | 4,000 | 4,000 |
Investment in marketable securities | 5,954,000 | 5,205,000 |
Assets, Fair Value Disclosure | 5,961,000 | 5,212,000 |
Fair Value, Inputs, Level 1 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Cash equivalents - money market | 3,000 | 3,000 |
Other investments - warrants | 0 | 0 |
Investment in marketable securities | 5,954,000 | 5,205,000 |
Assets, Fair Value Disclosure | 5,957,000 | 5,208,000 |
Fair Value, Inputs, Level 2 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Cash equivalents - money market | 0 | 0 |
Other investments - warrants | 0 | 0 |
Investment in marketable securities | 0 | 0 |
Assets, Fair Value Disclosure | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Cash equivalents - money market | 0 | 0 |
Other investments - warrants | 4,000 | 4,000 |
Investment in marketable securities | 0 | 0 |
Assets, Fair Value Disclosure | 4,000 | 4,000 |
Basic Materials [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 3,485,000 | 2,420,000 |
Basic Materials [Member] | Fair Value, Inputs, Level 1 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 3,485,000 | 2,420,000 |
Basic Materials [Member] | Fair Value, Inputs, Level 2 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 0 | 0 |
Basic Materials [Member] | Fair Value, Inputs, Level 3 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 0 | 0 |
Technology [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 987,000 | 989,000 |
Technology [Member] | Fair Value, Inputs, Level 1 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 987,000 | 989,000 |
Technology [Member] | Fair Value, Inputs, Level 2 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 0 | 0 |
Technology [Member] | Fair Value, Inputs, Level 3 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 0 | 0 |
Financial Services [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 737,000 | 838,000 |
Financial Services [Member] | Fair Value, Inputs, Level 1 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 737,000 | 838,000 |
Financial Services [Member] | Fair Value, Inputs, Level 2 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 0 | 0 |
Financial Services [Member] | Fair Value, Inputs, Level 3 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 0 | 0 |
Reits and Real Estate Companies [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 154,000 | 291,000 |
Reits and Real Estate Companies [Member] | Fair Value, Inputs, Level 1 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 154,000 | 291,000 |
Reits and Real Estate Companies [Member] | Fair Value, Inputs, Level 2 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 0 | 0 |
Reits and Real Estate Companies [Member] | Fair Value, Inputs, Level 3 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 0 | 0 |
Others [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 591,000 | 667,000 |
Others [Member] | Fair Value, Inputs, Level 1 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 591,000 | 667,000 |
Others [Member] | Fair Value, Inputs, Level 2 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 0 | 0 |
Others [Member] | Fair Value, Inputs, Level 3 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | $0 | $0 |