Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION - Stock Option Activity (Details)

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STOCK-BASED COMPENSATION - Stock Option Activity (Details) - Stock Option Activity - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Outstanding - Number of Shares Issuable Upon Exercise of Outstanding Options 606,470 423,820 423,820  
Granted - Number of Shares Issuable Upon Exercise of Outstanding Options 62,400 277,850    
Forfeited - Number of Shares Issuable Upon Exercise of Outstanding Options (11,553) (95,200)    
Outstanding - Number of Shares Issuable Upon Exercise of Outstanding Options 657,317 606,470 657,317  
Exercisable - Number of Shares Issuable Upon Exercise of Outstanding Options 202,264   202,264  
Unvested - Number of Shares Issuable Upon Exercise of Outstanding Options 455,053   455,053  
Outstanding - Weighted Average Exercise Price (in dollars per share) $ 16.40 $ 22.70 $ 22.70  
Granted - Weighted Average Exercise Price (in dollars per share) 4.69 5.50    
Forfeited - Weighted Average Exercise Price (in dollars per share) 9.09 18.60    
Outstanding - Weighted Average Exercise Price (in dollars per share) 15.39 $ 16.40 15.39  
Exercisable - Weighted Average Exercise Price (in dollars per share) 28.37   28.37  
Unvested - Weighted Average Exercise Price (in dollars per share) $ 9.62   $ 9.62  
Outstanding - Weighted Average Remaining Contracted Term in Years 8 years 10 months 2 days 9 years 10 days    
Exercisable - Weighted Average Remaining Contracted Term in Years     7 years 10 months 6 days  
Unvested - Weighted Average Remaining Contracted Term in Years     9 years 3 months 10 days  
Outstanding - Aggregate Intrinsic Value       $ 0
Exercisable - Aggregate Intrinsic Value (in dollars) $ 0   $ 0  
Unvested - Aggregate Intrinsic Value (in dollars) $ 0   $ 0