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Inventories
3 Months Ended
Sep. 29, 2012
Inventory Disclosure [Abstract]  
Inventories

(5) Inventories

Inventories consist of the following:

  September 29,  December 31,
   2012  2011
  
Raw materials  $380,217   $390,281 
Work in process   1,690,106    1,686,966 
Finished goods   1,230,925    1,061,370 
  
Inventories  $3,301,248   $3,138,617