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Stockholders' Equity (Details 2) (USD $)
9 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Stockholders Equity [Line Items]    
Number of Options Outstanding 18,835,580  
Weighted-Average Exercise Price $ 1.89 $ 1.79
Weighted-Average Remaining Contractual Life (in Years) 5 years 3 months 18 days  
Aggregate Intrinsic Value $ 27,950,386 $ 24,000,710
Range One [Member]
   
Stockholders Equity [Line Items]    
Range of Exercise Price (Lower) $ 0.50  
Range of Exercise Price (Upper) $ 1  
Number of Options Outstanding 7,000,000  
Weighted-Average Exercise Price $ 0.80  
Weighted-Average Remaining Contractual Life (in Years) 5 years 9 months 18 days  
Aggregate Intrinsic Value 17,360,000  
Range Two [Member]
   
Stockholders Equity [Line Items]    
Range of Exercise Price (Lower) $ 1.01  
Range of Exercise Price (Upper) $ 2  
Number of Options Outstanding 4,171,817  
Weighted-Average Exercise Price $ 1.19  
Weighted-Average Remaining Contractual Life (in Years) 6 years 10 months 24 days  
Aggregate Intrinsic Value 8,714,368  
Range Three [Member]
   
Stockholders Equity [Line Items]    
Range of Exercise Price (Lower) $ 2.01  
Range of Exercise Price (Upper) $ 3  
Number of Options Outstanding 2,067,037  
Weighted-Average Exercise Price $ 2.48  
Weighted-Average Remaining Contractual Life (in Years) 4 years 8 months 12 days  
Aggregate Intrinsic Value 1,646,933  
Range Four [Member]
   
Stockholders Equity [Line Items]    
Range of Exercise Price (Lower) $ 3.01  
Range of Exercise Price (Upper) $ 5  
Number of Options Outstanding 5,596,726  
Weighted-Average Exercise Price $ 3.54  
Weighted-Average Remaining Contractual Life (in Years) 3 years 9 months 18 days  
Aggregate Intrinsic Value $ 229,085