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Note 6 - Customer and Supplier Concentrations (Details) - Customers Providing 10 Percent or More of Company's Revenue (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Oct. 31, 2013
|
Oct. 31, 2012
|
Oct. 31, 2013
|
Oct. 31, 2012
|
|
| Revenue, Major Customer [Line Items] | ||||
| Balance (in Dollars) | $ 1,508 | $ 1,135 | $ 4,429 | $ 5,018 |
| Percentage | 100.00% | 100.00% | 100.00% | 100.00% |
|
Lenovo Information Products Co Ltd [Member]
|
||||
| Revenue, Major Customer [Line Items] | ||||
| Balance (in Dollars) | 1,465 | 1,119 | 4,319 | 4,913 |
| Percentage | 97.00% | 99.00% | 98.00% | 98.00% |
|
Customers Providing 10% or More [Member]
|
||||
| Revenue, Major Customer [Line Items] | ||||
| Balance (in Dollars) | $ 1,465 | $ 1,119 | $ 4,319 | $ 4,913 |
| Percentage | 97.00% | 99.00% | 98.00% | 98.00% |