Annual report pursuant to section 13 and 15(d)

6. STOCK OPTION PLAN AND STOCK-BASED COMPENSATION (Details 2)

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6. STOCK OPTION PLAN AND STOCK-BASED COMPENSATION (Details 2) (USD $)
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Vested or Expected to Vest      
Number of Options 5,741,400 7,708,400 1,578,400
Weighted Average Exercise Price Per Share $ 0.40    
Weighted Average Remaining Contractual Life (Years) 3 years 10 months 20 days    
Aggregate Intrinsic Value $ 5,862,000    
Exercisable Options      
Number of Shares Exercisable 4,879,265    
Weighted Average Exercise Price Per Share $ 0.39    
Weighted Average Remaining Contractual Life (Years) 3 years 10 months 6 days    
Aggregate Intrinsic Value 5,061,256 418,000  
Minimum [Member]
     
Vested or Expected to Vest      
Exercise Price 0.10    
Maximum [Member]
     
Vested or Expected to Vest      
Exercise Price 1.85    
Range 1
     
Vested or Expected to Vest      
Exercise Price 0.10    
Number of Options 1,800,000    
Weighted Average Exercise Price Per Share $ 0.10    
Weighted Average Remaining Contractual Life (Years) 2 years 10 months 17 days    
Aggregate Intrinsic Value 2,376,000    
Exercisable Options      
Number of Shares Exercisable 1,706,250    
Weighted Average Exercise Price Per Share $ 0.1    
Weighted Average Remaining Contractual Life (Years) 2 years 10 months 17 days    
Aggregate Intrinsic Value 2,252,250    
Range 2
     
Vested or Expected to Vest      
Exercise Price 0.42    
Number of Options 63,000    
Weighted Average Exercise Price Per Share $ 0.42    
Weighted Average Remaining Contractual Life (Years) 7 years 4 days    
Aggregate Intrinsic Value 63,000    
Exercisable Options      
Number of Shares Exercisable 63,000    
Weighted Average Exercise Price Per Share $ 0.42    
Weighted Average Remaining Contractual Life (Years) 7 years 4 days    
Aggregate Intrinsic Value 63,000    
Range 3
     
Vested or Expected to Vest      
Exercise Price 0.50    
Number of Options 3,310,000    
Weighted Average Exercise Price Per Share $ 0.50    
Weighted Average Remaining Contractual Life (Years) 4 years 4 months    
Aggregate Intrinsic Value 3,045,200    
Exercisable Options      
Number of Shares Exercisable 2,830,835    
Weighted Average Exercise Price Per Share $ 0.5    
Weighted Average Remaining Contractual Life (Years) 4 years 4 months 13 days    
Aggregate Intrinsic Value 2,604,368    
Range 4
     
Vested or Expected to Vest      
Exercise Price 0.57    
Number of Options 400,000    
Weighted Average Exercise Price Per Share $ 0.57    
Weighted Average Remaining Contractual Life (Years) 4 years 7 months 13 days    
Aggregate Intrinsic Value 340,000    
Exercisable Options      
Number of Shares Exercisable 133,280    
Weighted Average Exercise Price Per Share $ 0.57    
Weighted Average Remaining Contractual Life (Years) 4 years 7 months 13 days    
Aggregate Intrinsic Value 113,288    
Range 5
     
Vested or Expected to Vest      
Exercise Price 1.00    
Number of Options 90,000    
Weighted Average Exercise Price Per Share $ 1.00    
Weighted Average Remaining Contractual Life (Years) 4 years 1 month 20 days    
Aggregate Intrinsic Value 37,800    
Exercisable Options      
Number of Shares Exercisable 67,500    
Weighted Average Exercise Price Per Share $ 1.00    
Weighted Average Remaining Contractual Life (Years) 4 years 1 month 20 days    
Aggregate Intrinsic Value 28,350    
Range 6
     
Vested or Expected to Vest      
Exercise Price 1.85    
Number of Options 78,400    
Weighted Average Exercise Price Per Share $ 1.85    
Weighted Average Remaining Contractual Life (Years) 1 year 9 months    
Aggregate Intrinsic Value 0    
Exercisable Options      
Number of Shares Exercisable 78,400    
Weighted Average Exercise Price Per Share $ 1.85    
Weighted Average Remaining Contractual Life (Years) 1 year 9 months    
Aggregate Intrinsic Value $ 0