Stockholders’ Equity (Deficit) - IPO (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended
	Jun. 30, 2020	Nov. 30, 2019
Redeemable Convertible Preferred Stock and Stockholders’ Deficit
Received net proceeds of after deducting underwriting discounts, commissions and other offering expenses		$ 50.6
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
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
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