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12. STOCK-BASED COMPENSATION (Tables)
3 Months Ended
Mar. 31, 2021
Share-based Payment Arrangement [Abstract]  
Stock option transactions
    Number of Option
and Warrants
Outstanding and exercisable
  Weighted- Average Exercise price of Option
and Warrants
  Range of
Exercise Price per Common Share
Balance, January 1, 2021     121,600       $7.09       $3.57 - $7.27  
Granted during the period                  
Exercised  during the period                  
Expired during the period         $     $  
Balance, March 31, 2021     121,600       $7.09       $3.57 - $7.27  
Stock and warrants options outstanding
Stock Options and Warrants Outstanding and Exercisable
                      Weighted Average  
                      Remaining  
      Outstanding at March 31, 2021      

Range of

Exercise Prices

     

Contractual Life

 (Years)

 
Outstanding and exercisable     121,600       $3.57 - $7.27       0.41