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Note 12 - Earnings (Loss) Per Share (Details)
3 Months Ended
Mar. 29, 2015
Mar. 30, 2014
Earnings Per Share [Abstract]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 753,117us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 781,460us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount