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Basic and Diluted Net Income (Loss) Per Share | 12 Months Ended
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Dec. 30, 2016
Earnings Per Share [Abstract] |
Earnings Per Share [Text Block] | Note 15 — Basic and Diluted Net Income (Loss) Per Share The following table sets forth the computation of basic and diluted net income (loss) per share (in thousands except per share amounts):
|  | 2016 |  | 2015 |  | 2014 |
Numerator: |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | $ | (12,129) |  | $ | (6,533) |  | $ | (8,392) |
Denominator: |  |  |  |  |  |  |  |  |  |
Weighted average common shares and denominator for basic calculation: |  |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding |  |  | 40,352 |  |  | 39,384 |  |  | 38,342 |
Less: Unvested restricted stock |  |  | (23) |  |  | (124) |  |  | (251) |
Denominator for basic calculation |  |  | 40,329 |  |  | 39,260 |  |  | 38,091 |
Weighted average effects of potentially dilutive common stock: |  |  |  |  |  |  |  |  |  |
Stock options |  |  | — |  |  | — |  |  | — |
Unvested restricted stock |  |  | — |  |  | — |  |  | — |
Restricted stock units |  |  | — |  |  | — |  |  | — |
Warrants |  |  | — |  |  | — |  |  | — |
Denominator for diluted calculation |  |  | 40,329 |  |  | 39,260 |  |  | 38,091 |
Net income (loss) per share – basic and diluted |  | $ | (0.30) |  | $ | (0.17) |  | $ | (0.22) |
The following table sets forth (in thousands) the weighted average number of options and warrants to purchase shares of common stock, restricted stock, and restricted stock units which were not included in the calculation of diluted per share amounts because the effects would be anti-dilutive.
|  | 2016 |  | 2015 |  | 2014 |
Options |  |  | 4,069 |  |  | 2,506 |  |  | 1,988 |
Warrants |  |  | — |  |  | 345 |  |  | 492 |
Restricted stock and restricted stock units |  |  | 76 |  |  | 190 |  |  | 227 |
Total |  |  | 4,145 |  |  | 3,041 |  |  | 2,707 |

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