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SHAREHOLDERS' EQUITY - Deferred Compensation Arrangement - Additional Information (Details) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Non-Employee Members of Scientific Advisory Board [Member]    
Deferred Compensation Arrangement with Employees and Non-Employees, Share-Based Payments [Line Items]    
Shares issued (in shares) 2,024 1,400
Members of Scientific Advisory Board [Member]    
Deferred Compensation Arrangement with Employees and Non-Employees, Share-Based Payments [Line Items]    
Fair value of shares issued $ 300,000 $ 300,000