Redeemable Convertible Preferred Stock Warrants and Common Stock Warrants (Tables)

12 Months Ended

Dec. 31, 2021

Class Of Stock [Line Items]

Schedule of Fair Value of Stock Options Estimated Using Weighted-Average Assumptions

The fair value of stock options was estimated using the following weighted-average assumptions:

	Years Ended December 31,
	2021	2020
Expected volatility	72.8% - 78.0%	61.6% - 75.2%
Risk-free interest rate	0.6% - 1.3%	0.3% - 0.7%
Dividend yield	0%	0%
Expected term	5 - 6 years	5 - 6 years

Summary of Outstanding Warrants to Purchase Shares of Common Stock

As of December 31, 2021, the Company`s outstanding warrants to purchase shares of common stock, consisted of the following:

Issuance Date	Number of Shares of Common Stock Issuable	Exercise Price		Classification	Expiration Date
May 9, 2017	33,964	$	11.31	Equity	May 8, 2027
July 19, 2019	43,878	$	11.31	Equity	July 18, 2029
	77,842

Series D Redeemable Convertible Preferred Stock Warrants

Class Of Stock [Line Items]

Schedule of Fair Value of Stock Options Estimated Using Weighted-Average Assumptions

The redeemable convertible preferred stock warrant liability was valued using the following assumptions under the Black-Scholes option-pricing model:

	October 22, 2021	December 31, 2020
Expected dividends	0%	0%
Expected volatility	51.4% -54.7%	48.2% -52.4%
Risk-free interest rate	1.3% -1.5%	0.6% -0.8%
Expected warrant life	5.5-7.7 years	6.4-8.6 years