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STOCK BASED COMPENSATION - Plans (Details) - 2019 Plan - shares
1 Months Ended
May 31, 2019
Jun. 30, 2022
Stock-based compensation    
Shares reserved (in shares) 4,530,000  
New shares reserved (in shares) 1,618,841  
Reserved shares available from 2016 Plan (in shares) 2,911,159  
Increase in number of shares reserved and available for issuance (as a percent) 5.00%  
Number of shares available for future issuance   1,199,877
Options    
Stock-based compensation    
Maximum number of shares authorized for issuance 13,000,000  
Expiration period 10 years  
Vesting period 4 years