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, 2021	Dec. 31, 2020
IPO
Stockholders' Equity
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
Stockholders' Equity
Common stock issued and sold (in shares)		398,700
Second Underwritten Public Offering [Member]
Stockholders' Equity
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
Stockholders' Equity
Value Of Shares Authorized To Be Sold			$ 0.0	$ 50.0
Convertible Preferred Stock | IPO
Stockholders' Equity
Aggregate of common stock		6,708,649
Warrants | IPO
Stockholders' Equity
Aggregate of common stock		88,556