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STOCK BASED COMPENSATION, Stock options given to employees, Tabular (Details) - $ / shares
1 Months Ended 12 Months Ended
Jan. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Number of shares        
Beginning balance 0 53,714 0  
Granted   10,000 60,232  
Vested   (10,680) (6,518)  
Ending balance   53,034 53,714 0
Weighted average grant-date fair value per share        
Beginning balance (in dollars per share) $ 0 $ 1.96 $ 0  
Grant-date fair value of options granted $ 2.48 3.82 1.96  
Vested (in dollars per share)   2.51 1.96  
Ending balance (in dollars per share)   $ 2.20 $ 1.96 $ 0
Employees        
Number of shares        
Beginning balance 226,249 152,147 226,249  
Granted   204,625 136,000 380,500
Vested   (138,303) (113,477) (132,251)
Canceled and forfeited   (10,250) (96,625) (22,000)
Ending balance   208,219 152,147 226,249
Weighted average grant-date fair value per share        
Beginning balance (in dollars per share) $ 1.22 $ 1.31 $ 1.22  
Grant-date fair value of options granted   3.82 1.42 $ 1.26
Vested (in dollars per share)   2.02 1.33 1.37
Canceled and forfeited (in dollars per share)   1.26 1.23 0.93
Ending balance (in dollars per share)   $ 3.30 $ 1.31 $ 1.22
Stock options | Employees        
Number of shares        
Granted     516,500 721,125