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(3) Inventories - Inventories (Details) - USD ($)
Dec. 30, 2017
Dec. 31, 2016
Inventory Disclosure [Abstract]    
Raw materials $ 478,567 $ 398,994
Work in process 1,003,285 1,089,496
Finished goods 1,014,023 1,032,971
Gross Inventory 2,495,875 2,521,461
Reserve for obsolescence (386,362) (550,500)
Total $ 2,109,513 $ 1,970,961