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STOCK BASED COMPENSATION - 2018 Incentive Plan (Details) - 2018 Incentive Plan - shares
3 Months Ended
Mar. 31, 2021
Apr. 18, 2018
STOCK BASED COMPENSATION    
Shares reserved for future issuance   2,400,000
Stock Options    
STOCK BASED COMPENSATION    
Stock options granted 240,000  
Restricted Stock    
STOCK BASED COMPENSATION    
Restricted stock issued 194,183