Convertible Preferred Stock (Tables)

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Schedule of Preferred Stock

At December 31, 2019, preferred stock consisted of the following:

	December 31, 2019
(in thousands, except share amounts)	Preferred Stock Authorized		Preferred Stock Issued and Outstanding		Carrying Value		Liquidation Value		Common Stock Issuable Upon Conversion
Series A1 Preferred Stock		20,000,000		—	$	—	$	—		—
Series A2 Preferred Stock		20,000,000		20,000,000		29,775		30,000		13,420,970
Series A3 Preferred Stock		22,453,987		22,453,987		19,364		33,681		15,067,706
Series A4 Preferred Stock		2,066,666		2,066,666		3,065		3,100		1,386,831
Series B Preferred Stock		14,877,697		14,877,697		120,923		121,253		9,983,632
Total		79,398,350		59,398,350	$	173,127	$	188,034		39,859,139