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Summary of Option Activity (Details)
 12 Months Ended
Dec. 31, 2022
USD ($)
$ / shares
shares
Equity [Abstract]  
Number of shares outstanding, beginning balance | shares 1,235,000
Weighted average exercise price, beginning balance | $ / shares $ 2.14
Total intrinsic value, beginning balance | $ $ 1,488,000
Weighted average remaining contractual life (in years), beginning balance 4 years
Number of shares outstanding, Employee options granted | shares 50,000
Weighted average exercise price, employee options granted | $ / shares $ 1.51
Weighted average remaining contractual life (in years), employee options granted 1 year 4 months 24 days
Number of shares outstanding, Employee options expired | shares (100,000)
Weighted average exercise price, employee options expired | $ / shares $ 1.90
Number of shares outstanding, Employee options forfeited | shares (35,000)
Weighted average exercise price, employee options forfeited | $ / shares $ 1.50
Number of shares outstanding, ending balance | shares 1,150,000
Weighted average exercise price, ending balance | $ / shares $ 2.15
Total intrinsic value, ending balance | $
Weighted average remaining contractual life (in years), ending balance 3 years 3 months 18 days
Number of shares outstanding, options vested and exercisable | shares 1,135,000
Weighted average exercise price, options vested and exercisable | $ / shares $ 2.16
Total intrinsic value, options vested and exercisable | $
Weighted average remaining contractual life (in years), options vested and exercisable 3 years 3 months 18 days