Quarterly report pursuant to Section 13 or 15(d)

Pre-Funded Warrants - Additional Information (Details)

v3.20.2
Pre-Funded Warrants - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended
Jun. 11, 2020
Feb. 04, 2020
Jul. 31, 2020
Sep. 30, 2020
Class Of Warrant Or Right [Line Items]        
Pre funded warrants to purchase shares of common stock 909,091 2,884,615   3,793,706
Pre funded warrants exercise price $ 0.001 $ 0.001   $ 0.001
Maximum ownership percentage, not to exceed upon exercise of warrants       9.99%
Maximum ownership percentage, increase or decrease upon prior notice       19.99%
Pre-funded warrants exercised       0
Underwritten Public Offering        
Class Of Warrant Or Right [Line Items]        
Issuance of common stock 7,590,909 18,965,385 427,707  
Pre funded warrants to purchase shares of common stock 909,091 2,884,615    
Common stock, shares issued, price per share $ 5.50 $ 2.60    
Warrant issue price per share $ 5.499 $ 2.599    
Net proceeds from the public offering $ 45.8 $ 53.4    
Pre funded warrants exercise price $ 0.001 $ 0.001