Quarterly report pursuant to Section 13 or 15(d)

Pre-Funded Warrants - Summary of Pre-Funded Warrants Outstanding (Details)

v3.21.1
Pre-Funded Warrants - Summary of Pre-Funded Warrants Outstanding (Details)
3 Months Ended
Mar. 31, 2021
$ / shares
shares
Class Of Warrant Or Right [Line Items]  
Exercise Price | $ / shares $ 0.001
Number of shares underlying warrants | shares 3,793,706
February 4, 2020  
Class Of Warrant Or Right [Line Items]  
Issue Date Feb. 04, 2020
Exercise Price | $ / shares $ 0.001
Expiration Date Feb. 04, 2040
Number of shares underlying warrants | shares 2,884,615
June 11, 2020  
Class Of Warrant Or Right [Line Items]  
Issue Date Jun. 11, 2020
Exercise Price | $ / shares $ 0.001
Expiration Date Jun. 11, 2040
Number of shares underlying warrants | shares 909,091