FAIR VALUE MEASUREMENTS (Details) (USD $) | Dec. 31, 2013 | Jun. 30, 2013 |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Cash equivalents - money market | ' | $3,000 |
Other investments - warrants | ' | 4,000 |
Investment in marketable securities | 5,315,000 | 5,205,000 |
Assets, Fair Value Disclosure | ' | 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 |
Other investments - warrants | ' | 0 |
Investment in marketable securities | 5,315,000 | 5,205,000 |
Assets, Fair Value Disclosure | ' | 5,208,000 |
Fair Value, Inputs, Level 2 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Cash equivalents - money market | ' | 0 |
Other investments - warrants | ' | 0 |
Investment in marketable securities | 0 | 0 |
Assets, Fair Value Disclosure | ' | 0 |
Fair Value, Inputs, Level 3 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Cash equivalents - money market | ' | 0 |
Other investments - warrants | ' | 4,000 |
Investment in marketable securities | 0 | 0 |
Assets, Fair Value Disclosure | ' | 4,000 |
Basic Materials [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 3,130,000 | 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 | 3,130,000 | 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 |
Financial Services [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 1,042,000 | 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 | 1,042,000 | 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 |
Technology [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 469,000 | 989,000 |
Technology [Member] | Fair Value, Inputs, Level 1 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 469,000 | 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 |
Reits and Real Estate Companies [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 209,000 | 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 | 209,000 | 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 | 465,000 | 667,000 |
Others [Member] | Fair Value, Inputs, Level 1 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 465,000 | 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 |