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(5) Inventories (Tables)
6 Months Ended
Jun. 28, 2014
Inventory Disclosure [Abstract]  
Inventories consist of the following
  June 28,      December 28,  
     2014     2013
  
Raw materials  $438,535   $359,535 
Work in process   1,621,557    1,135,413 
Finished goods   1,122,000    1,079,251 
  
Total inventory   3,182,092    2,574,199 
Reserve for obsolescence   (400,500)   (390,500)
  
Inventories, net  $2,781,592   $2,183,699