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RELATED PARTY TRANSACTIONS - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Nov. 24, 2020
Nov. 20, 2020
Jun. 19, 2020
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Jun. 30, 2021
Jul. 09, 2020
Jun. 30, 2020
Related Party Transaction [Line Items]                    
Expenses incurred           $ 128,084 $ 0      
LifeSci Acquisition II Corp                    
Related Party Transaction [Line Items]                    
Repayment of promissory note - related party               $ 175,000    
Sponsor | LifeSci Acquisition II Corp                    
Related Party Transaction [Line Items]                    
Maximum borrowing capacity of related party promissory note                 $ 175,000  
Administrative Support Agreement | LifeSci Acquisition II Corp                    
Related Party Transaction [Line Items]                    
Expenses per month   $ 10,000                
Expenses incurred       $ 30,000 $ 0     70,000    
Amount included in accrued expenses       100,000   100,000   70,000    
Promissory Note with Related Party | LifeSci Acquisition II Corp                    
Related Party Transaction [Line Items]                    
Maximum borrowing capacity of related party promissory note     $ 175,000              
Instrument term     15 days              
Repayment of promissory note - related party $ 175,000                  
Related Party Loans | LifeSci Acquisition II Corp                    
Related Party Transaction [Line Items]                    
Outstanding balance of related party note       0   0   0   $ 0
Loan conversion agreement warrant       $ 500,000   $ 500,000   $ 500,000    
Price of warrant       $ 0.90   $ 0.90   $ 0.90