Note 4 - Supplemental Financial Information - Inventory (Details) - USD ($) $ in Thousands |
Apr. 29, 2017 |
Jan. 28, 2017 |
|---|---|---|
| Wafers and other purchased materials | $ 10,944 | $ 8,595 |
| Work-in-process | 3,025 | 2,780 |
| Finished goods | 4,896 | 6,772 |
| Total inventory | $ 18,865 | $ 18,147 |