Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Summary Of Employee And Non-Employee Transactions) (Details)

v3.6.0.2
Stock-Based Compensation (Summary Of Employee And Non-Employee Transactions) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Stock-Based Compensation [Abstract]      
Number of options, Oustanding 12,590,982    
Number of options, Granted 5,926,391    
Number of options, Exercised   (889,428) (448,693)
Number of options, Expired (730,000)    
Number of options, Cancelled (886,958)    
Number of options, Oustanding 16,900,415 12,590,982  
Weighted average exercise price, Outstanding $ 0.83    
Weighted average exercise price, Granted 0.31    
Weighted average exercise price, Expired 1.37    
Weighted average exercise price, Cancelled 0.89    
Weighted average exercise price, Outstanding $ 0.62 $ 0.83  
Weighted average remaining contractual term, Outstanding 7 years 3 months 18 days 6 years 9 months 18 days  
Aggregate intrinsic value, Outstanding   $ 26,500  
Number of options, Exercisable 7,929,179    
Weighted average exercise price, Exercisable $ 0.78    
Weighted average remaining contractual term, Exercisable 5 years 9 months 18 days