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Note 10 - Per Share Data (Details) - Weighted Average Number of Common Shares
3 Months Ended
Mar. 29, 2014
Mar. 30, 2013
Weighted Average Number of Common Shares [Abstract]    
Basic weighted average shares outstanding 12,455,004 12,311,066
Dilutive effect of outstanding stock options 184,634 71,711
Weighted average dilutive shares outstanding 12,639,638 12,382,777