Annual report pursuant to Section 13 and 15(d)

EMPLOYEE STOCK OPTIONS, RESTRICTED STOCK AWARD PLAN AND 401(k) - Stock Options Outstanding (Details)

v3.22.4
EMPLOYEE STOCK OPTIONS, RESTRICTED STOCK AWARD PLAN AND 401(k) - Stock Options Outstanding (Details)
 12 Months Ended
Dec. 31, 2022
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options Outstanding - Number Outstanding (in shares) 265,500
Options Outstanding - Weighted-Average Remaining Contractual Life (in years) 1 year 7 months 17 days
Options Outstanding - Number Exercisable (in shares) 265,500
Exercise Price One  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options Outstanding - Exercise price (in usd per share) | $ / shares $ 2.00
Options Outstanding - Number Outstanding (in shares) 195,000
Options Outstanding - Weighted-Average Remaining Contractual Life (in years) 1 year
Options Outstanding - Number Exercisable (in shares) 195,000
Exercise Price Two  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options Outstanding - Exercise price (in usd per share) | $ / shares $ 5.50
Options Outstanding - Number Outstanding (in shares) 5,000
Options Outstanding - Weighted-Average Remaining Contractual Life (in years) 1 year 2 months 15 days
Options Outstanding - Number Exercisable (in shares) 5,000
Exercise Price Three  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options Outstanding - Exercise price (in usd per share) | $ / shares $ 14.54
Options Outstanding - Number Outstanding (in shares) 10,000
Options Outstanding - Weighted-Average Remaining Contractual Life (in years) 2 years 8 months 26 days
Options Outstanding - Number Exercisable (in shares) 10,000
Exercise Price Four  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options Outstanding - Exercise price (in usd per share) | $ / shares $ 8.00
Options Outstanding - Number Outstanding (in shares) 4,500
Options Outstanding - Weighted-Average Remaining Contractual Life (in years) 2 years 11 months 1 day
Options Outstanding - Number Exercisable (in shares) 4,500
Exercise Price Five  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options Outstanding - Exercise price (in usd per share) | $ / shares $ 6.42
Options Outstanding - Number Outstanding (in shares) 15,000
Options Outstanding - Weighted-Average Remaining Contractual Life (in years) 3 years 4 months 2 days
Options Outstanding - Number Exercisable (in shares) 15,000
Exercise Price Six  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options Outstanding - Exercise price (in usd per share) | $ / shares $ 11.75
Options Outstanding - Number Outstanding (in shares) 36,000
Options Outstanding - Weighted-Average Remaining Contractual Life (in years) 3 years 11 months 12 days
Options Outstanding - Number Exercisable (in shares) 36,000