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Stockholders' Equity - Schedule of Share-Based Compensation , Stock Options, Activity (Details)
6 Months Ended
Jun. 30, 2019
USD ($)
$ / shares
shares
Share-Based Compensation Arrangement By Share-Based Payment Award Options Outstanding  
Options outstanding, beginning of period 4,325,000
Granted 500,000
Forfeited (75,000)
Options outstanding, end of period 4,750,000
Options exercisable and vested, end of period 3,200,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price  
Weighted average exercise price outstanding, beginning of period | $ / shares $ 0.22
Weighted average exercise price, granted | $ / shares 0.20
Weighted average exercise price outstanding, end of period | $ / shares 0.21
Weighted average exercise price, exercisable and vested, end of period | $ / shares $ 0.21
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures  
Weighted average remaining contractual life outstanding, beginning of period 3 years 5 months
Weighted average remaining contractual life, granted 2 years 8 months
Weighted average remaining contractual life outstanding, end of period 3 years 5 months
Weighted average remaining contractual life, exercisable and vested, end of period 4 years 6 months
Average intrinsic value outstanding, beginning of period | $
Average intrinsic value outstanding, end of period | $
Average intrinsic value, exercisable and vested, end of period | $