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
Mar. 31, 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 4,238,200  
Granted - Number of Shares Issuable Upon Exercise of Outstanding Options 2,778,500  
Forfeited - Number of Shares Issuable Upon Exercise of Outstanding Options (952,000)  
Outstanding - Number of Shares Issuable Upon Exercise of Outstanding Options 6,064,700  
Exercisable - Number of Shares Issuable Upon Exercise of Outstanding Options 1,555,630  
Unvested - Number of Shares Issuable Upon Exercise of Outstanding Options 4,509,070  
Outstanding - Weighted Average Exercise Price (in dollars per share) $ 2.27  
Granted - Weighted Average Exercise Price (in dollars per share) 0.55  
Forfeited - Weighted Average Exercise Price (in dollars per share) 1.86  
Outstanding - Weighted Average Exercise Price (in dollars per share) 1.64  
Exercisable - Weighted Average Exercise Price (in dollars per share) 3.33  
Unvested - Weighted Average Exercise Price (in dollars per share) $ 1.05  
Outstanding - Weighted Average Remaining Contracted Term in Years 9 years 10 days  
Exercisable - Weighted Average Remaining Contracted Term in Years 7 years 11 months 8 days  
Unvested - Weighted Average Remaining Contracted Term in Years 9 years 4 months 28 days  
Outstanding - Aggregate Intrinsic Value $ 338,910 $ 0
Exercisable - Aggregate Intrinsic Value (in dollars) 0  
Unvested - Aggregate Intrinsic Value (in dollars) $ 338,910