FAIR VALUE MEASUREMENTS (Details) (USD $) | Mar. 31, 2015 | Jun. 30, 2014 |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Other investments - warrants | $54,000 | $118,000 |
Investment in marketable securities | 2,761,000 | 4,931,000 |
Assets, Fair Value Disclosure | 2,815,000 | 5,049,000 |
Fair Value, Inputs, Level 1 [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Other investments - warrants | 0 | 0 |
Investment in marketable securities | 2,761,000 | 4,931,000 |
Assets, Fair Value Disclosure | 2,761,000 | 4,931,000 |
Fair Value, Inputs, Level 2 [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
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] | | |
Other investments - warrants | 54,000 | 118,000 |
Investment in marketable securities | 0 | 0 |
Assets, Fair Value Disclosure | 54,000 | 118,000 |
Basic materials [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | 1,194,000 | 2,657,000 |
Basic materials [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | 1,194,000 | 2,657,000 |
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 |
Industrial goods [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | 654,000 | |
Industrial goods [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | 654,000 | |
Technology and telecommunications [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | | 479,000 |
Technology and telecommunications [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | | 479,000 |
Technology and telecommunications [Member] | Fair Value, Inputs, Level 2 [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | | 0 |
Technology and telecommunications [Member] | Fair Value, Inputs, Level 3 [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | | 0 |
Energy [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | 189,000 | |
Energy [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | 189,000 | |
Energy [Member] | Fair Value, Inputs, Level 2 [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | 0 | |
Energy [Member] | Fair Value, Inputs, Level 3 [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | 0 | |
Financial services [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | 398,000 | 287,000 |
Financial services [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | 398,000 | 287,000 |
Financial services [Member] | Fair Value, Inputs, Level 2 [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | | 0 |
Financial services [Member] | Fair Value, Inputs, Level 3 [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | | 0 |
REITs and real estate companies [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | 137,000 | 278,000 |
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 | 137,000 | 278,000 |
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 | 189,000 | 1,230,000 |
Other [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | 189,000 | 1,230,000 |
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 |