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SUBSEQUENT EVENTS - Effect to the Issuance of common stock issuable upon exercise of the warrants (Details) - USD ($)
Nov. 04, 2021
Sep. 30, 2021
Sep. 03, 2021
Aug. 19, 2021
Jul. 26, 2021
Jul. 22, 2021
May 26, 2021
Subsequent Event [Line Items]              
Convertible note principal amount $ 4,510,000            
Convertible note, interest rate     15.00%        
Warrants to acquire shares of common stock 1,478,752            
Warrants exercise price   $ 0.6877 $ 0.6877 $ 0.6877 $ 0.6877 $ 0.6877 $ 0.6877
Additional warrants one              
Subsequent Event [Line Items]              
Warrants to acquire shares of common stock 144,016            
Convertible note one | Warrants one              
Subsequent Event [Line Items]              
Convertible note principal amount $ 550,000            
Convertible note, interest rate 15.00%            
Convertible note, default interest rate 20.00%            
Warrants to acquire shares of common stock 208,687            
Warrants exercise price $ 8.84            
Convertible note one | Additional warrants one              
Subsequent Event [Line Items]              
Warrants to acquire shares of common stock 27,246            
Convertible note one | Additional warrants two              
Subsequent Event [Line Items]              
Warrants to acquire shares of common stock 116,770            
Warrants exercise price $ 8.84            
Convertible note two | Warrants two              
Subsequent Event [Line Items]              
Convertible note principal amount $ 1,100,000            
Convertible note, interest rate 15.00%            
Convertible note, default interest rate 20.00%            
Warrants to acquire shares of common stock 417,375            
Warrants exercise price $ 8.84            
Convertible note three | Warrants three              
Subsequent Event [Line Items]              
Convertible note principal amount $ 2,750,000            
Convertible note, interest rate 15.00%            
Convertible note, default interest rate 20.00%            
Warrants to acquire shares of common stock 848,818            
Warrants exercise price $ 8.84            
Convertible note four | Warrants four              
Subsequent Event [Line Items]              
Convertible note principal amount $ 110,000            
Convertible note, interest rate 15.00%            
Convertible note, default interest rate 20.00%            
Warrants to acquire shares of common stock 30,872            
Warrants exercise price $ 8.84