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Inventories - Schedule of Inventories (Detail) (USD $)
Dec. 29, 2012
Sep. 29, 2012
Inventories Net [Line Items]    
Finished goods $ 8,015 $ 38,406
Work in process 631,482 642,159
Raw materials 1,802,020 1,952,843
Total inventories $ 2,441,517 $ 2,633,408