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Accounts Payable and Accrued Liabilities
3 Months Ended
Mar. 31, 2015
Accounts Payable and Accrued Liabilities [Abstract]  
Accounts Payable and Accrued Liabilities
7.Accounts Payable and Accrued Liabilities

At March 31, 2015 and December 31, 2014, accounts payable and accrued liabilities consisted of the following:

  
March 31, 2015
(Unaudited)
  
December 31,
2014
 
Accounts payable
 
$
2,707,437
  
$
2,296,645
 
Accrued expenses
  
3,092,030
   
3,125,023
 
Accrued bonuses
  
240,689
   
964,189
 
Other current liabilities
  
282,251
   
417,316
 
Total
 
$
6,322,407
  
$
6,803,173