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Inventories (Tables)
3 Months Ended
Mar. 30, 2013
Inventory Disclosure [Abstract]  
Inventories
  March 30, December  29,
   2013  2012
  
Raw materials  $369,959  $312,213
Work in process   1,050,957   1,145,843
Finished goods   944,253   1,306,259
  
Total inventory   2,365,169   2,764,315
Reserve for obsolescence   (312,000)   (307,000)
  
Inventories, net  $2,053,169   $2,457,315