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Common Stock Options and Restricted Stock Units (RSU's) (Details)
9 Months Ended
Sep. 30, 2020
$ / shares
shares
Share-based Payment Arrangement [Abstract]  
Number of options outstanding, beginning | shares 3,449,319
Number of options granted | shares 145,418
Number of options exercised | shares 0
Number of options forfeited | shares 0
Number of options cancelled or expired | shares (190,863)
Number of options outstanding, ending | shares 3,403,874
Number of options outstanding, exercisable | shares 863,925
Weighted average exercise price outstanding, beginning | $ / shares $ 2.32
Weighted average exercise price granted | $ / shares 1.53
Weighted average exercise price exercised | $ / shares .00
Weighted average exercise price forfeited | $ / shares .00
Weighted average exercise price cancelled or expired | $ / shares .00
Weighted average exercise price outstanding, ending | $ / shares 2.19
Weighted average exercise price outstanding, exercisable | $ / shares $ 4.20
Weighted average remaining contractual term outstanding, beginning 8 years 3 months 4 days
Weighted average remaining contractual term outstanding, granted 9 years 4 months 20 days
Weighted average remaining contractual term outstanding, ending 7 years 7 months 28 days
Weighted average remaining contractual term outstanding, exercisable 5 years 2 months 26 days