Net Loss Per Share - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	9 Months Ended
	Oct. 31, 2020	Sep. 30, 2020	Sep. 30, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Proceeds from issuance of common stock			$ 1,140
ATM Program [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Issuance of common stock, Shares	544,868	100,000	100,000
Proceeds from issuance of common stock	$ 6,500