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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - NET LOSS PER SHARE (Details) - $ / shares
Sep. 30, 2022
Apr. 01, 2022
May 27, 2020
2020 Public Offering of Common Stock and Warrants      
Warrant to purchase common stock, shares 52,975,463    
2020 Pre-Funded Warrant | 2020 Public Offering of Common Stock and Warrants      
Warrant to purchase common stock, shares 8,335,239   8,335,239
Warrant exercise price     $ 0.001
2022 Pre-Funded Warrant | 2022 Public Offering of Common Stock and Warrants      
Warrant to purchase common stock, shares   18,095,238  
Warrant exercise price   $ 0.001