Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS??? EQUITY (Details)

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STOCKHOLDERS’ EQUITY (Details)
$ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended
Mar. 31, 2018
shares
Mar. 31, 2021
USD ($)
shares
Jun. 30, 2022
USD ($)
shares
Jun. 30, 2021
USD ($)
Class of Stock [Line Items]        
Proceeds from warrant exercises     $ 0 $ 8,177
Conversion ratio     1  
Convertible Preferred Stock        
Class of Stock [Line Items]        
Number of shares issued in transaction (in shares) | shares 6,100,000      
Common Stock Purchase Warrants, One | Term loan | 2019 Term Loan        
Class of Stock [Line Items]        
Number of shares for purchase under warrant (in shares) | shares   6,000,000    
Proceeds from warrant exercises   $ 8,200    
At-the-Market Equity Offering Programs        
Class of Stock [Line Items]        
Number of shares issued in transaction (in shares) | shares     67,700,000  
Net proceeds from sale of stock     $ 299,700  
Sale of stock, remaining capacity for sale amount     $ 323,700