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Note 6 - Customer and Supplier Concentrations (Details) - Companies Comprising 10 Percent or More of our Gross Accounts Payable (USD $)
In Thousands, unless otherwise specified |
Oct. 31, 2013
|
Jan. 31, 2013
|
|---|---|---|
| Schedule of Equity Method Investments [Line Items] | ||
| Total gross accounts payable (in Dollars) | $ 4,394 | $ 3,688 |
| Total gross accounts payable | 100.00% | 100.00% |
| Balance (in Dollars) | 3,053 | 2,714 |
| Percentage | 69.00% | 74.00% |
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Chicony Power Technology Company Ltd [Member]
|
||
| Schedule of Equity Method Investments [Line Items] | ||
| Balance (in Dollars) | 1,100 | 1,100 |
| Percentage | 25.00% | 30.00% |
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Pillsbury Winthrop Shaw Pittman LLP [Member]
|
||
| Schedule of Equity Method Investments [Line Items] | ||
| Balance (in Dollars) | $ 1,953 | $ 1,614 |
| Percentage | 44.00% | 44.00% |