|
Note 6 - Customer and Supplier Concentrations (Details) - Supplier Concentration Risk Accounts Payable (USD $)
In Thousands, unless otherwise specified |
Apr. 30, 2014
|
Jan. 31, 2014
|
|---|---|---|
| Schedule of Equity Method Investments [Line Items] | ||
| Total gross accounts payable | $ 4,310 | $ 4,363 |
| Total gross accounts payable | 100.00% | 100.00% |
| Supplier concentration: | ||
| Balance | 3,053 | 3,053 |
| Percentage | 71.00% | 70.00% |
|
Chicony Power Technology Company Ltd [Member]
|
||
| Supplier concentration: | ||
| Balance | 1,100 | 1,100 |
| Percentage | 26.00% | 25.00% |
|
Pillsbury Winthrop Shaw Pittman LLP [Member]
|
||
| Supplier concentration: | ||
| Balance | $ 1,953 | $ 1,953 |
| Percentage | 45.00% | 45.00% |