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Stock Options and Warrants (Details 1)
6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Volatility   73.00%
Expected term (years) 10 years 10 years
Risk-free interest rate   2.64%
Dividend yield 0.00% 0.00%
Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Volatility 63.00%  
Maximum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Volatility 64.00%  
Risk-free interest rate 2.33%