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Subsequent Events (Details) - Subsequent Events - USD ($)
$ in Millions
1 Months Ended 2 Months Ended
May 31, 2021
Apr. 30, 2021
Jun. 30, 2021
Subsequent Events      
Percentage of positions eliminated 50.00%    
Termination costs in connection with the reduction in workforce, including severance, benefits and related costs   $ 0.7 $ 0.2
Maximum      
Subsequent Events      
Gross proceeds from issuance of common stock and warrants   $ 0.1  
Pre-funded Warrants      
Subsequent Events      
Issuance of common stock upon exercise of warrants (in shares)   2,495,809  
Common Stock      
Subsequent Events      
Shares of common stock issued upon conversion   953,400