Stock Based Compensation (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Schedule of Weighted Average Assumptions

The weighted average assumptions for the year ended December 31, 2021 and December 31, 2020 are provided in the following table.

	Year Ended December 31,
	2021			2020
Valuation assumptions:
Expected dividend yield	—%			—%
Expected volatility		53	%		48	%
Expected term (years)		6.1			6.0
Risk-free interest rate		1.1	%		0.5	%
Fair value of share	$	26.96		$	4.46

Summary of Stock Option Activity

A summary of the status of the Company’s stock option activity and the changes during the years then ended 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
Balance at December 31, 2018		2,251,098		$	1.33		8.5
Granted		1,170,598			3.18		9.0
Exercised		(455,665	)		1.00		0.4
Forfeited		(336,784	)		1.65		—
Expired		(8,720	)		1.47		—
Balance at December 31, 2019		2,620,527			2.16		8.3
Exercisable at December 31, 2019		992,914			1.32		7.1
Balance at December 31, 2019		2,620,527			2.16		8.3
Granted		1,144,457			3.98		9.1
Exercised		(465,668	)		1.16		4.8
Forfeited		(131,129	)		2.68		—
Expired		(15,413	)		1.46		—
Balance at December 31, 2020		3,152,774			2.97		8.3
Exercisable at December 31, 2020		1,193,301			2.14		7.2
Balance at December 31, 2020		3,152,774			2.97		8.3	$	4.7
Granted		1,393,431			12.24		—
Exercised		(1,101,539	)		2.07		—
Forfeited		(148,304	)		7.88		—
Expired		(9,492	)		2.65		—
Balance at December 31, 2021		3,286,870			6.98		8.4	$	145.5
Exercisable at December 31, 2021		987,622			3.35		7.5	$	47.3

Summary of Restricted Stock Unit Activity

A summary of the status of the Company’s restricted stock unit activity and the changes during the year ended December 31, 2021 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, 2020		-		$	-	$	-
Granted		193,722		$	64.02
Vested		(1,954	)	$	73.17
Forfeited and cancelled		(5,288	)	$	63.58
Unvested RSUs as of December 31, 2021		186,480		$	63.94	$	9.6

Schedule of Total Stock-based Compensation Costs

Total stock-based compensation cost for the years ended December 31, 2021, 2020 and 2019 were as follows (in thousands):

	Year Ended December 31,
	2021		2020		2019
Sales and marketing	$	1,223	$	156	$	93
Operations and support		2,659		259		154
Product development		1,744		375		223
General and administrative		1,769		216		74
Total stock compensation expense	$	7,395	$	1,006	$	544