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Subsequent Events - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended
Feb. 01, 2021
Jan. 31, 2021
Mar. 20, 2020
Apr. 24, 2018
March 2020 Offering        
Subsequent Event [Line Items]        
Warrant exercisable price per share     $ 16.10  
Warrants to purchase number of common stock, shares     178,776  
Price per share     $ 12.25  
Number of common stock converted by each warrant     1  
Over-Allotment Option        
Subsequent Event [Line Items]        
Price per share       $ 261.45
Subsequent Event        
Subsequent Event [Line Items]        
Number of stock issuance under offering 744,936      
Warrant exercisable price per share $ 16.302      
Warrants to purchase number of common stock, shares 372,468      
Price per share $ 14.82      
Number of common stock converted by each warrant 0.50      
Net proceeds from public offering $ 9.6      
Warrants expiration period 5 years      
Subsequent Event | March 2020 Offering        
Subsequent Event [Line Items]        
Warrant exercisable price per share   $ 16.10    
Gross proceeds from issuance of warrants   $ 1.3    
Subsequent Event | Over-Allotment Option        
Subsequent Event [Line Items]        
Number of stock issuance under offering 29,797      
Price per share $ 18.525      
Subsequent Event | Warrants | March 2020 Offering        
Subsequent Event [Line Items]        
Number of stock issuance under offering   81,633