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EQUITY INCENTIVE PLAN (Summary of Stock Option Activity) (Details) - Stock Options [Member] - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Number of Options    
Outstanding at beginning of period (in shares) 2,635,287  
Granted (in shares) 1,114,000 1,907,347
Exercised (in shares)   (1,379)
Forfeited (in shares) (67,951) (93,673)
Outstanding at end of period (in shares) 3,681,336 2,635,287
Exercisable at end of period (in shares) 2,167,604  
Weighted-Average Exercise Price    
Outstanding at beginning of period (in dollars per share) $ 3.38  
Granted (in dollars per share) 1.51 $ 2.89
Exercised (in dollars per share)   2.06
Forfeited (in dollars per share) 2.18 2.82
Outstanding at end of period (in dollars per share) 2.84 $ 3.38
Exercisable at end of period (in dollars per share) $ 3.24