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Note 6 - Customer and Supplier Concentrations (Details) - Supplier Concentration Risk Accounts Payable (USD $)
In Thousands, unless otherwise specified |
Jul. 31, 2014
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Jan. 31, 2014
|
|---|---|---|
| Schedule of Equity Method Investments [Line Items] | ||
| Total gross accounts payable (in Dollars) | $ 908 | $ 4,363 |
| Total gross accounts payable | 100.00% | 100.00% |
| Supplier concentration: | ||
| Balance (in Dollars) | 432 | 3,053 |
| Percentage | 48.00% | 70.00% |
|
Chicony Power Technology Company Ltd [Member]
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||
| Supplier concentration: | ||
| Balance (in Dollars) | 1,100 | |
| Percentage | 0.00% | 25.00% |
|
Pillsbury Winthrop Shaw Pittman LLP [Member]
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||
| Supplier concentration: | ||
| Balance (in Dollars) | $ 432 | $ 1,953 |
| Percentage | 48.00% | 45.00% |