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Note 10 - Earnings Per Share (Details Textual) (Stock Compensation Plan [Member])
3 Months Ended
Dec. 27, 2014
Dec. 28, 2013
Stock Compensation Plan [Member]
   
Disclosure Text Block [Abstract]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 25,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_StockCompensationPlanMember
123,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_StockCompensationPlanMember