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Significant Accounting Policies (Details 5) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 28, 2014 | Jun. 29, 2013 | Jun. 28, 2014 | Jun. 29, 2013
Basic and diluted income per share |  |  |  |
Options and warrants excluded from computation of earnings per share (in shares) | 386 | 612 | 375 | 550
Numerator: |  |  |  |
Net income (loss) attributable to controlling interest | $ 592 | $ 768 | $ 1,563 | $ 952
Denominator: |  |  |  |
Weighted average shares outstanding - basic | 5,581 | 5,556 | 5,579 | 5,556
Employee stock options (in shares) | 111 | 0 | 101 | 0
Stock warrants (in shares) | 200 | 153 | 197 | 140
Weighted average shares outstanding - diluted (in shares) | 5,892 | 5,709 | 5,877 | 5,696
Income per share: |  |  |  |
Basic (loss) (in dollars per share) | $ 0.11 | $ 0.14 | $ 0.28 | $ 0.17
Diluted (in dollars per share) | $ 0.10 | $ 0.13 | $ 0.27 | $ 0.17

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