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Subsequent Event - Additional Information (Details) - USD ($)
2 Months Ended 3 Months Ended
Nov. 30, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2020
Mar. 31, 2020
Subsequent Event [Line Items]            
Net cash proceeds from issuance of common stock after deducting sales commissions and other offering costs       $ 16,234,000 $ 3,389,000 $ 686,000
2020 Sales Agreement            
Subsequent Event [Line Items]            
Issuance of common stock in connection with at market offering (in shares)   0 0 7,948,505    
Net cash proceeds from issuance of common stock after deducting sales commissions and other offering costs       $ 16,234,000    
2020 Sales Agreement | Scenario Forecast [Member]            
Subsequent Event [Line Items]            
Issuance of common stock in connection with at market offering (in shares) 2,611,173          
Net cash proceeds from issuance of common stock after deducting sales commissions and other offering costs $ 4,132,000