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Leasehold Improvements and Equipment (Tables)
9 Months Ended
Sep. 28, 2013
Leasehold Improvements And Equipment  
Leasehold Improvements and Equipment
    September 28, 2013     December 29, 2012  
             
Laboratory equipment   $ 2,570,567     $ 2,439,688  
Leasehold improvements     491,125       403,971  
Computer equipment     372,851       363,739  
Furniture and fixtures     18,313       18,313  
Office equipment     7,877       7,877  
Construction in progress     99,931       106,080  
      3,560,664       3,339,668  
Less accumulated depreciation     2,590,909       2,403,242  
    $ 969,755     $ 936,426