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(6) Inventories (Tables)
6 Months Ended
Jun. 30, 2018
Inventory Disclosure [Abstract]  
Inventories
    June 30,      December 30,  
     2018      2017  
           
Raw materials  $762,017   $478,567 
Work in process   2,495,889    1,003,285 
Finished goods   890,799    1,014,023 
           
Total inventory   4,148,705    2,495,875 
Reserve for obsolescence   (386,362)   (386,362)
  
Inventories, net  $3,762,343   $2,109,513