Annual report pursuant to Section 13 and 15(d)

Stock Options - Summary of Stock Option Activity (Details)

v3.7.0.1
Stock Options - Summary of Stock Option Activity (Details) - USD ($)
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Equity [Abstract]    
Number of options outstanding beginning balance 7,656,250 6,470,000
Number of options granted 5,860,000 3,350,000
Number of options forfeited (2,985,297) (2,163,750)
Number of options exercised
Number of options outstanding ending balance 10,530,953 7,656,250
Number of options vested and expected to vest 6,801,577  
Number of options exercisable 5,748,933  
Weighted average exercise price outstanding beginning balance $ 0.66 $ 0.50
Weighted average exercise price granted 0.09 1.12
Weighted average exercise price forfeited 0.93 0.91
Weighted average exercise price exercised
Weighted average exercise price outstanding ending balance 0.33 $ 0.66
Weighted average exercise price vested and expected to vest 0.49  
Weighted average exercise price exercisable $ 0.47  
Weighted average remaining contractual term outstanding 4 years 10 months 13 days  
Weighted average remaining contractual term outstanding 4 years 11 days 4 years 10 months 13 days
Aggregate intrinsic value outstanding beginning balance  
Aggregate intrinsic value granted  
Aggregate intrinsic value forfeited  
Aggregate intrinsic value exercised  
Aggregate intrinsic value outstanding ending balance
Aggregate intrinsic value vested and expected to vest  
Aggregate intrinsic value exercisable