Stock Based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

Share-based Payment Arrangement [Abstract]

Schedule of Weighted Average Assumptions

The weighted average assumptions for the three months ended March 31, 2022 and 2021 are provided in the following table.

	Three Months Ended March 31,
	2022			2021
Valuation assumptions:
Expected dividend yield	—%			—%
Expected volatility		66	%		52	%
Expected term (years)		6.0			6.0
Risk-free interest rate		1.9	%		1.0	%
Fair value of share	$	34.86		$	5.39

Summary of Stock Option Activity

A summary of the status of the Company’s stock option activity and the changes during the three months ended March 31, 2022 are as follows (in millions, except share and per share amounts):

	Number of Shares			Weighted Average Exercise Price Per Share		Average Remaining Contractual Term		Aggregate Intrinsic Value
Exercisable at December 31, 2021		987,622		$	3.35		7.5	$	47.3
Balance at December 31, 2021		3,286,870			6.98		8.4		145.5
Granted		321,649			34.86		—
Exercised		(244,858	)		5.20		—
Forfeited		(86,006	)		7.44		—
Expired		(630	)		3.66		—
Balance at March 31, 2022		3,277,025			9.84		8.3		88.2
Exercisable at March 31, 2022		1,234,215			5.51		7.7		38.6

Summary of Restricted Stock Unit Activity

A summary of the status of the Company’s restricted stock unit activity and the changes during the three months ended March 31, 2022 are as follows (in millions, except share and per share amounts):

	Number of Shares			Weighted Average Grant Date fair value (per share)		Aggregate Intrinsic Value
Unvested RSUs as of December 31, 2021		186,480		$	63.94	$	9.6
Granted		645,431			41.88
Vested		(1,971	)		73.20
Forfeited and cancelled		(14,397	)		59.72
Unvested RSUs as of March 31, 2022		815,543			46.53		30.0

Schedule of Total Stock-based Compensation Costs

Total stock-based compensation cost for the three months ended March 31, 2022 and 2021 were as follows (in thousands):

	Three Months Ended March 31,
	2022		2021
Sales and marketing	$	636	$	53
Operations and support		1,423		104
Product development		894		75
General and administrative		503		273
Total stock compensation expense	$	3,456	$	505