Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY - Restricted Stock Unit Activity (Details)

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STOCKHOLDERS' EQUITY - Restricted Stock Unit Activity (Details) - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Weighted Average Contractual Life    
Weighted Average Contractual Life 2 years 7 days  
2020 Employee Stock Purchase Plan    
Stock Option (in Shares)    
Outstanding at December 31, 2021 1,669,300  
Granted 41,156  
Forfeited (3,370)  
Issued (2,970)  
Outstanding March 31, 2022   1,669,300
Weighted Average Grant Date Fair Value    
Weighted Average Fair Value Beginning Balance $ 10.10  
Weighted Average Fair Value Granted 15.39  
Weighted Average Fair Value Forfeited 12.46  
Weighted Average Fair Value Issued $ 10.00  
Weighted Average Fair Value Ending Balance   $ 10.10
Weighted Average Contractual Life    
Weighted Average Contractual Life Granted 1 year 11 months 1 day  
Weighted Average Contractual Life Forfeited 2 years 3 months  
Weighted Average Contractual Life   2 years 7 days