Convertible Preferred Stock Warrants (Tables)

12 Months Ended

Dec. 31, 2021

Equity [Abstract]

Schedule of Weighted Assumptions Used to Revalue Convertible Preferred Stock Warrants to Fair Value

The following scenario probability-weighted assumptions were used to revalue the convertible preferred stock warrants to fair value:

	Year ended December 31,
	2020
	Range	Weighted average
Expected volatility	83.4% to 97.4%	94.6%
Risk adjusted discount factor	16% to 31%	25%
Expected life (in years)	0.4 to 2.0 years	1.1 years
Expected dividend yield	0.0%	0.0%