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STOCK-BASED COMPENSATION - Assumptions Used to Estimate Fair Value of Options (Details)
3 Months Ended
Mar. 31, 2022
$ / shares
Share-Based Payment Arrangement [Abstract]  
Volatility 88.65%
Expected term in years 6 years 21 days
Dividend rate 0.00%
Risk-free interest rate 1.95%
Fair value of option on grant date (in dollars per share) $ 128.70