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Note 7 - Intangible Assets (Details) (USD $)
 12 Months Ended
Sep. 27, 2014
Sep. 28, 2013
Sep. 29, 2012
Disclosure Text Block [Abstract]      
Amortization of Intangible Assets $ 438,000 $ 163,000 $ 0
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 866,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Two 866,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Three 861,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Four 629,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Five $ 414,000