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SUBSEQUENT EVENTS - Assignment and Assumption of Rights (Details) - USD ($)
Oct. 25, 2021
Nov. 04, 2021
Subsequent Event [Line Items]    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   1,478,752
Subsequent event | TDR Capital | Agreement of Assignment and Assumption of Rights    
Subsequent Event [Line Items]    
Convertible Debt to be Issued $ 6,600,000  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 2,037,164  
Aggregate Original Amount Of Debt Assigned $ 3,300,000  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights Assigned 1,201,521  
Aggregate purchase price $ 3,000,000