XML 77 R54.htm IDEA: XBRL DOCUMENT v3.23.1
STOCK OPTION PLANS - Stock Option Activity (Details) - $ / shares
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
STOCK-BASED COMPENSATION      
Number of Shares Outstanding, Beginning Balance 768,623 600,181  
Number of Shares, Granted 260,000 191,500  
Number of Shares, Cancelled / Expired (142,450) (22,912)  
Number of Shares Outstanding, Ending Balance 886,173 768,623 600,181
Number of Shares, Options vested and exercisable 560,929    
Weighted Average Exercise Price per Share Outstanding, Beginning Balance $ 54.69 $ 62.18  
Weighted Average Exercise Price per Share, Granted 4.68 28.97  
Exercise price   21.20  
Weighted Average Exercise Price per Share, Cancelled / Expired 36.78 35.92  
Weighted Average Exercise Price per Share Outstanding, Ending Balance 42.90 $ 54.69 $ 62.18
Weighted Average Exercise Price, Options vested and exercisable $ 59.39    
Weighted Average Remaining Contractual Life, Outstanding 7 years 3 months 18 days 7 years 8 months 12 days 8 years 3 months 18 days
Weighted Average Remaining Contractual Life, Options granted 7 years 9 months 18 days 8 years 10 months 24 days  
Weighted Average Remaining Contractual Life, Options vested and exercisable 6 years 7 months 6 days