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Note 10 - Weighted Average Number of Common Shares (Details) - shares
3 Months Ended 9 Months Ended
Oct. 03, 2015
Sep. 27, 2014
Oct. 03, 2015
Sep. 27, 2014
Basic weighted average shares outstanding (in shares) 12,724,899 12,540,955 12,715,236 12,494,793
Dilutive effect of outstanding stock options and restricted stock awards (in shares) 272,877 217,850 236,648 198,036
Weighted average dilutive shares outstanding (in shares) 12,997,776 12,758,805 12,951,884 12,692,829