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Restructuring (Tables)
3 Months Ended
Mar. 31, 2013
Restructuring [Abstract]  
Changes in the Company's reserve with respect to the restructuring plan
                                 
    December 31, 2012     Expense     Payment/Charges     March 31, 2013  

Severance

  $ 27,900       —       $ (14,400   $ 13,500  

Inventory

    89,000       —         —         89,000  

Other

    12,000       —       $ (12,000     —     
   

 

 

   

 

 

   

 

 

   

 

 

 

Total

  $ 128,900       —       $ (26,400   $ 102,500