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SHARE-BASED PAYMENTS - Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions (Details)
6 Months Ended
Jun. 30, 2021
$ / shares
Share-based Payment Arrangement [Abstract]  
Risk-free interest rate 0.43%
Expected life 5 years
Expected volatility 61.89%
Expected dividend yield 0.00%
Weighted-average grant date fair value (in dollars per share) $ 2.03