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Significant Accounting Policies (Tables)
6 Months Ended
Jun. 28, 2014
Accounting Policies [Abstract]  
Inventories
    June 28, 2014     December 28, 2013  
Reference standards   $ 1,707,272     $ 1,769,160  
Bulk ingredients     1,421,756       694,965  
      3,129,028       2,464,125  
Less valuation allowance     256,000       260,000  
    $ 2,873,028     $ 2,204,125