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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Net Loss Per Common Share (Details) - USD ($)
6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Short-term investments $ 3,939,151   $ 0
Exercisable penny options (in shares) 177,355    
Antidilutive securities excluded from computation of earnings per share (in shares) 8,250,250 5,798,994  
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) 2,851,383 1,868,218  
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) 246,470 22,500  
Warrants      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of earnings per share (in shares) 5,152,397 3,908,276