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Stock Options (Details )
3 Months Ended
Mar. 31, 2019
USD ($)
$ / shares
shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Number of Options outstanding - beginning balance 317,500
Number of Options oustanding - ending balance 317,500
Number of Options Exercisable 307,500
Number of Options Available for grant 19,440,765
Weighted average exercise price, Outstanding - beginning balance | $ / shares $ 3.41
Weighted average exercise price, Outstanding - ending balance | $ / shares 3.41
Weighted average exercise price, Exercisable | $ / shares $ 3.49
Weighted Average Remaining Contractual Term, Oustanding 7 years 5 months 8 days
Weighted Average Remaining Contractual Term, Exercisable 7 years 6 months 7 days
Aggregate intrinsic value, Oustanding | $ $ 29,225
Aggregate intrinsic value, Exercisable | $ $ 24,525