v2.4.0.8

Note 6 - Customer and Supplier Concentrations (Details) - Supplier Concentration Risk Accounts Receivable (USD $) In Thousands, unless otherwise specified | Jul. 31, 2014 | Jan. 31, 2014
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Note 6 - Customer and Supplier Concentrations (Details) - Supplier Concentration Risk Accounts Receivable [Line Items] |  |
Total gross accounts receivable due from suppliers | $ 122 | $ 128
Total gross accounts receivable due from suppliers | 100.00% | 100.00%
Accounts receivable concentration: |  |
Balance | 122 | 122
Percentage | 100.00% | 95.00%
Zheng Ge Electrical Company Ltd [Member] |  |
Accounts receivable concentration: |  |
Balance | $ 122 | $ 122
Percentage | 100.00% | 95.00%

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