General form of registration statement for all companies including face-amount certificate companies

Equity (Details)

v2.4.0.8
Equity (Details) (USD $)
6 Months Ended 12 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Stock Options [Member]
         
Summary of stock option activities          
Number of Units, Beginning balance 2,330,134 273,859 273,859    
Cancellation (49,950)       128,050
Warrants expired         20,613
Number of Units, Ending Balance 2,280,184 2,330,134 273,859 273,859  
Weighted Average Exercise Price, Beginning balance $ 0.96 $ 1.29 $ 1.29    
Weighted Average Exercise Price, Ending Balance $ 0.96 $ 0.96 $ 1.29 $ 1.29  
Weighted Average Remaining Contractual Term (in years), Outstanding 8 years 5 months 1 day 8 years 10 months 28 days 5 years 6 months 4 days 5 years 6 months 4 days  
Aggregate Intrinsic Value, Beginning balance $ 685,800          
Aggregate Intrinsic Value, Ending Balance 1,609,035 685,800        
Warrant [Member]
         
Summary of stock option activities          
Number of Units, Beginning balance 12,770,636 5,364,557      
warrants exercised (2,211,158)        
Warrants expired (1,023,784)        
Number of Units, Ending Balance 9,535,694 12,770,636 5,364,557    
Weighted Average Exercise Price, Beginning balance $ 0.97 $ 0.51      
Weighted Average Exercise Price, exercised $ 1.65        
Weighted Average Exercise Price, expired $ 1.65        
Weighted Average Exercise Price, Ending Balance $ 0.77 $ 0.97 $ 0.51    
Weighted Average Remaining Contractual Term (in years), Outstanding 5 years 4 months 2 days 4 years 5 months 23 days 6 years 9 months 4 days    
Aggregate Intrinsic Value, Beginning balance 6,114,768 3,261,367      
Aggregate Intrinsic Value, Ending Balance $ 9,691,302 $ 6,114,768 $ 3,261,367