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Note 12 - Earnings (Loss) per Share
 6 Months Ended
Jun. 28, 2015
Earnings Per Share [Abstract]  
Earnings Per Share [Text Block]

12.  Earnings (Loss) per Share


For all periods, basic earnings (loss) per share (“EPS”) is calculated by dividing net earnings (loss) by the weighted-average common shares outstanding. Diluted EPS in profitable periods reflects the effect of all potentially dilutive common shares outstanding by dividing net earnings by the weighted-average of all common and potentially dilutive shares outstanding. Potentially dilutive stock options of 753,117 for each of the three and six months ended June 28, 2015 and 508,721 and 758,119 for the three and six months ended June 29, 2014, respectively, were not used to compute diluted earnings (loss) per share because the effects would have been anti-dilutive.