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Summary of Stock Option Activity Including Options Form of Warrants (Details)
 6 Months Ended
Jun. 30, 2022
$ / shares
shares
Share-Based Payment Arrangement [Abstract]  
Number of shares, stock options outstanding, at the beginning | shares 2,666,667
Weighted average exercise price, stock options outstanding, at the beginning | $ / shares $ 3.738
Number of shares, Granted | shares 750,000
Weighted average exercise price, granted | $ / shares $ 0.740
Number of shares, Exercised | shares
Weighted average exercise price, exercised | $ / shares
Number of shares, Expired | shares (91,667)
Weighted average exercise price, expired | $ / shares $ 2.962
Number of shares, stock options outstanding, at the end | shares 3,325,000
Weighted average exercise price, stock options outstanding, at the end | $ / shares $ 3.083
Weighted average remaining contractual life (in years), stock options outstanding 3 years 5 months 23 days
Number of shares, stock options exercisable, at the end | shares 2,225,000
Weighted average exercise price, stock options exercisable, at the end | $ / shares $ 3.570
Weighted average remaining contractual life (in years), stock options exercisable 2 years 11 months 26 days