Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION - Stock Option Activity (Details)

v3.21.2
STOCK-BASED COMPENSATION - Stock Option Activity (Details) - Stock Option Activity [Member] - USD ($)
3 Months Ended 6 Months Ended
Mar. 31, 2021
Jun. 30, 2021
Dec. 31, 2020
Share-based Compensation, Stock Options, Activity [Line Items]      
Outstanding - Number of Shares Issuable Upon Exercise of Outstanding Options 1,184,464 1,184,464  
Granted - Number of Shares Issuable Upon Exercise of Outstanding Options 208,500 3,309,000  
Expired- Number of Shares Issuable Upon Exercise of Outstanding Options   (177)  
Outstanding - Number of Shares Issuable Upon Exercise of Outstanding Options 1,392,964 4,701,787  
Exercisable - Number of Shares Issuable Upon Exercise of Outstanding Options   701,870  
Unvested - Number of Shares Issuable Upon Exercise of Outstanding Options   3,999,917  
Outstanding - Weighted Average Exercise Price (in dollars per share) $ 4.34 $ 4.34  
Granted - Weighted Average Exercise Price (in dollars per share) 1.78 1.66  
Expired- Weighted Average Exercise Price (in dollars per share)   2,800.00  
Outstanding - Weighted Average Exercise Price (in dollars per share) $ 3.96 2.23  
Exercisable - Weighted Average Exercise Price (in dollars per share)   5.34  
Unvested - Weighted Average Exercise Price (in dollars per share)   $ 1.69  
Outstanding - Weighted Average Remaining Contracted Term in Years 8 years 6 months 21 days 9 years 3 months 21 days  
Exercisable - Weighted Average Remaining Contracted Term in Years   7 years 8 months 1 day  
Unvested - Weighted Average Remaining Contracted Term in Years   9 years 7 months 2 days  
Outstanding - Aggregate Intrinsic Value $ 122.700 $ 0 $ 316,688
Exercisable - Aggregate Intrinsic Value (in dollars)   0  
Unvested - Aggregate Intrinsic Value (in dollars)   $ 0