Redeemable Convertible Preferred Stock and Stockholders’ Equity (Deficit) - Public Stock Offerings (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended
	Jun. 30, 2020	Nov. 30, 2019	Dec. 31, 2020
IPO
Redeemable Convertible Preferred Stock and Stockholders’ Deficit
Common stock issued and sold (in shares)		4,398,700
Offering price (in dollar per share)		$ 13.00
Received net proceeds of after deducting underwriting discounts, commissions and other offering expenses		$ 50.6
Over-Allotment Option
Redeemable Convertible Preferred Stock and Stockholders’ Deficit
Common stock issued and sold (in shares)		398,700
Second Underwritten Public Offering [Member]
Redeemable Convertible Preferred Stock and Stockholders’ Deficit
Common stock issued and sold (in shares)	3,000,000
Offering price (in dollar per share)	$ 16.00
Received net proceeds of after deducting underwriting discounts, commissions and other offering expenses	$ 44.7
Equity Distribution Agreement [Member]
Redeemable Convertible Preferred Stock and Stockholders’ Deficit
Value Of Shares Authorized To Be Sold			$ 50.0
Convertible Preferred Stock | IPO
Redeemable Convertible Preferred Stock and Stockholders’ Deficit
Aggregate of common stock		6,708,649
Warrants | IPO
Redeemable Convertible Preferred Stock and Stockholders’ Deficit
Aggregate of common stock		88,556