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Leases - Additional Information (Details)
3 Months Ended 6 Months Ended 22 Months Ended
Nov. 17, 2021
ft²
Nov. 23, 2020
USD ($)
ft²
Agreement
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Jul. 31, 2021
USD ($)
Dec. 17, 2021
USD ($)
Operating Lease [Line Items]                
Monthly rental payments             $ 4,000  
Number of lease agreement | Agreement   2            
Operating lease, liability     $ 2,001,000   $ 2,001,000     $ 2,300,000
Rent expense     0 $ 5,000 0 $ 18,000    
Variable lease expense     41,000 9,000 76,000 18,000    
Short term lease cost     0 39,000 0 78,000    
Operating Lease, Expense     129,000,000 $ 0 258,000,000 $ 0    
Operating cash flows from operating leases     $ 122,000   $ 245,000      
San Diego Temporary Lease [Member]                
Operating Lease [Line Items]                
Lab and Office space under lease agreement | ft²   3,212            
San Diego Permanent Lease [Member]                
Operating Lease [Line Items]                
Lab and Office space under lease agreement | ft² 2,892 8,051            
Lease term   62 months            
Monthly rental payments   $ 40,800            
Base rent escalators   3.00%