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Note 13 - Stockholders' Equity (Tables) | 12 Months Ended
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Feb. 02, 2019
Notes Tables |
Schedule of Common Stock Outstanding Roll Forward [Table Text Block] |
|  | Common |
|  | Stock |
Shares as of December 31, 2016 |  |  | 15,856,927 |
Shares issued under employee stock plans, net of shares withheld in lieu of tax withholding |  |  | 172,758 |
Repurchase of shares |  |  | (513,725 | )
Shares as of December 30, 2017 |  |  | 15,515,960 |
Shares issued under employee stock plans, net of shares withheld in lieu of tax withholding |  |  | (4,038 | )
Repurchase of shares |  |  | (528,228 | )
Shares as of February 3, 2018 |  |  | 14,983,694 |
Shares issued under employee stock plans, net of shares withheld in lieu of tax withholding |  |  | 207,406 |
Repurchase of shares |  |  | (237,958 | )
Shares as of February 2, 2019 |  |  | 14,953,142 |

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