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Intangible Assets and Goodwill (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2017
Sep. 24, 2016
Sep. 26, 2015
Goodwill and Intangible Assets Disclosure [Abstract]      
Aggregate intangible asset amortization expense $ 3,183 $ 3,623 $ 3,889
Estimated useful lives 10 years    
Carrying amount of goodwill   $ 1,371