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Other Accrued Expenses and Current Liabilities (Tables)
12 Months Ended
Dec. 31, 2012
Other Accrued Expenses and Current Liabilities [Abstract]  
Accrued expenses
                 
    December 31,  
    2012     2011  

Restructuring liability

  $ 39,883     $ 123,037  

Accrued rent liability

    286,544       190,229  

Accrued expenses, other

    364,157       177,922  
   

 

 

   

 

 

 

Total accrued expenses

  $ 690,584     $ 491,188