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STOCKHOLDERS' EQUITY - Additional Information (Details) - USD ($)
 6 Months Ended
Mar. 16, 2021
Mar. 11, 2021
Jun. 30, 2021
Jun. 30, 2020
Common Stock Capital Shares Reserved For Future Issuance [Line Items]        
Number of shares issued 32,282,857      
Proceeds from issuance of common stock, net $ 52,600,000   $ 52,552,758 $ 0
Aggregate proceeds from shares issued under the purchase agreement     $ 52,552,758  
Underwritten Public Offering        
Common Stock Capital Shares Reserved For Future Issuance [Line Items]        
Number of shares authorized to issue and sell   28,572,000    
Share price   $ 1.75    
Option period   30 days    
Number of additional shares authorized to issue and sell   4,285,800    
Number of additional shares issued   3,710,857    
Number of shares issued   32,282,857    
Proceeds from issuance of common stock, net   $ 52,600,000    
Exercise of Stock Warrants        
Common Stock Capital Shares Reserved For Future Issuance [Line Items]        
Issuance of shares of common stock     1,456  
Proceeds from Issuance of Warrants     $ 3,100  
Board Compensation        
Common Stock Capital Shares Reserved For Future Issuance [Line Items]        
Issuance of shares of common stock     63,290  
Fair value of common stock     $ 200,000