Quarterly report pursuant to Section 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Net Loss Per Common Share (Details)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Net Loss Per Common Share (Details) - shares
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Exercisable penny options (in shares) 169,585  
Antidilutive securities excluded from computation of earnings per share (in shares) 5,966,916 4,863,086
Stock options (excluding exercisable penny stock options)    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 2,228,784 928,560
Restricted stock awards    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 250,220 26,250
Warrants    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 3,487,912 3,908,276