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(5) Inventories (Tables)
6 Months Ended
Jun. 27, 2015
Inventory Disclosure [Abstract]  
Inventories consist of the following
    June 27,      December 27,  
     2015      2014  
  
Raw materials  $538,072   $464,243 
Work in process   1,397,302    998,209 
Finished goods   1,271,039    1,467,002 
  
Total inventory   3,206,413    2,929,454 
Reserve for obsolescence   (405,500)   (400,500)
  
Inventories, net  $2,800,912   $2,528,954