Quarterly report pursuant to Section 13 or 15(d)

Pre-Funded Warrants - Additional Information (Details)

v3.20.1
Pre-Funded Warrants - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
Feb. 04, 2020
Mar. 31, 2020
Class Of Warrant Or Right [Line Items]    
Pre funded warrants exercise price $ 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 18,965,385  
Pre funded warrants to purchase shares of common stock 2,884,615  
Common stock, shares issued, price per share $ 2.60  
Warrant issue price per share $ 2.599  
Net proceeds from the public offering $ 53.4  
Pre funded warrants exercise price $ 0.001