Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Summary Of Stock Options Outstanding) (Details)

v3.7.0.1
Stock-Based Compensation (Summary Of Stock Options Outstanding) (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Number of options, Oustanding 19,228,755  
Stock Option [Member]    
Number of options, Oustanding 16,900,415  
Number of Options, Granted 3,382,600  
Number of options, Cancelled (1,054,260)  
Number of options, Oustanding 19,228,755 16,900,415
Weighted average exercise price, Outstanding $ 0.62  
Weighted average exercise price, Granted 0.19  
Weighted average exercise price, Cancelled 0.38  
Weighted average exercise price, Outstanding $ 0.56 $ 0.62
Weighted average remaining contractual term, Outstanding 7 years 6 months 7 years 3 months 18 days
Aggregate intrinsic value, Outstanding $ 2,358,419  
Number of options, Exercisable 10,251,086  
Weighted average exercise price, Exercisable $ 0.72  
Weighted average remaining contractual term, Exercisable 6 years 1 month 6 days  
Aggregate intrinsic value, Exercisable $ 580,035