Quarterly report pursuant to Section 13 or 15(d)

Subsequent Event - Additional Information (Detail)

v3.20.2
Subsequent Event - Additional Information (Detail) - Subsequent Event [Member]
$ in Millions
Oct. 20, 2020
USD ($)
Subsequent Event [Line Items]  
Equity financing transaction value $ 15.0
Net proceeds from equity financing transaction $ 14.0