Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION - Stock Option Activity (Details)

v3.20.4
STOCK-BASED COMPENSATION - Stock Option Activity (Details) - USD ($)
12 Months Ended
Jan. 17, 2019
Oct. 12, 2018
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation, Stock Options, Activity [Line Items]        
Granted - Weighted Average Exercise Price (in dollars per share) $ 1.99 $ 2.61 $ 1.84 $ 2.33
Stock Option Activity [Member]        
Share-based Compensation, Stock Options, Activity [Line Items]        
Outstanding - Number of Shares Issuable Upon Exercise of Outstanding Options     610,714 232,343
Granted - Number of Shares Issuable Upon Exercise of Outstanding Options     653,750 411,930
Forfeited - Number of Shares Issuable Upon Exercise of Outstanding Options     (80,000) (33,559)
Outstanding - Number of Shares Issuable Upon Exercise of Outstanding Options     1,184,464 610,714
Exercisable - Number of Shares Issuable Upon Exercise of Outstanding Options     458,325  
Unvested - Number of Shares Issuable Upon Exercise of Outstanding Options     726,139  
Outstanding - Weighted Average Exercise Price (in dollars per share)     $ 6.78 $ 14.37
Granted - Weighted Average Exercise Price (in dollars per share)     1.84 2.33
Forfeited - Weighted Average Exercise Price (in dollars per share)     2.46 4.78
Outstanding - Weighted Average Exercise Price (in dollars per share)     4.34 $ 6.78
Exercisable - Weighted Average Exercise Price (in dollars per share)     8.26  
Unvested - Weighted Average Exercise Price (in dollars per share)     $ 1.87  
Outstanding - Weighted Average Remaining Contracted Term in Years     8 years 6 months 26 days 0 years
Exercisable - Weighted Average Remaining Contracted Term in Years     7 years 8 months 12 days  
Unvested - Weighted Average Remaining Contracted Term in Years     9 years 1 month 13 days  
Outstanding - Aggregate Intrinsic Value     $ 316,688 $ 34,650
Exercisable - Aggregate Intrinsic Value (in dollars)     6,828  
Unvested - Aggregate Intrinsic Value (in dollars)     $ 309,859