FAIR VALUE MEASUREMENTS (Details) (USD $) | Mar. 31, 2014 | Jun. 30, 2013 |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Cash equivalents - money market | ' | $3,000 |
Other investments - warrants | 70,000 | 4,000 |
Investment in marketable securities | 4,606,000 | 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 | 0 |
Investment in marketable securities | 4,606,000 | 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 | 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 | 70,000 | 4,000 |
Investment in marketable securities | 70,000 | 0 |
Assets, Fair Value Disclosure | ' | 4,000 |
Basic materials [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 3,077,000 | 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 | 3,077,000 | 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 | 345,000 | 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 | 345,000 | 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 | 262,000 | 989,000 |
Technology [Member] | Fair Value, Inputs, Level 1 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 262,000 | 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 | 268,000 | 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 | 268,000 | 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 |
Other [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 654,000 | 667,000 |
Other [Member] | Fair Value, Inputs, Level 1 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 654,000 | 667,000 |
Other [Member] | Fair Value, Inputs, Level 2 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | 0 | 0 |
Other [Member] | Fair Value, Inputs, Level 3 [Member] | ' | ' |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ' | ' |
Investment in marketable securities | $0 | $0 |