FAIR VALUE MEASUREMENTS (Details) - USD ($) | Jun. 30, 2015 | Jun. 30, 2014 |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Other investments - warrants | $ 52,000 | $ 118,000 |
Investment in marketable securities | 1,955,000 | 4,931,000 |
Assets, Fair Value Disclosure | 2,007,000 | 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 | 1,955,000 | 4,931,000 |
Assets, Fair Value Disclosure | 1,955,000 | 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 | 52,000 | 118,000 |
Investment in marketable securities | 0 | 0 |
Assets, Fair Value Disclosure | 52,000 | 118,000 |
Basic materials [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | 1,392,000 | 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 | 1,392,000 | 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 |
Technology [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | | 479,000 |
Technology [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | | 479,000 |
Technology [Member] | Fair Value, Inputs, Level 2 [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | | 0 |
Technology [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 | 196,000 | 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 | 196,000 | 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 | 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 | 125,000 | 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 | 125,000 | 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 |
Industrial goods [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | 102,000 | |
Industrial goods [Member] | Fair Value, Inputs, Level 1 [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | 102,000 | |
Industrial goods [Member] | Fair Value, Inputs, Level 2 [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | 0 | |
Industrial goods [Member] | Fair Value, Inputs, Level 3 [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | 0 | |
Other [Member] | | |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | | |
Investment in marketable securities | 140,000 | 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 | 140,000 | 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 |