Stock Incentive Plan and Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2021

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Changes in Stock Options Granted

Changes in stock options granted under the 2017 and 2020 Plans for the six months ended June 30, 2021 is as follows:

	Number of Awards			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term
Awards outstanding—December 31, 2020		5,210,832		$	17.66		8.63
Awards issued		1,298,690		$	34.90
Awards exercised		(124,461	)	$	8.22
Awards forfeited		(301,278	)	$	21.81
Awards outstanding—June 30, 2021		6,083,783		$	21.32		8.47

Summary of Changes in SARs Granted under 2017 Plan

Changes in SARs granted under the 2017 Plan for the three months ended June 30, 2021 is as follows:

	Number of Awards		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term
Awards outstanding—December 31, 2020		49,294	$	9.24		8.29
Awards issued		—	$	—
Awards exercised		—	$	—
Awards forfeited		—	$	—
Awards outstanding—June 30, 2021		49,294	$	9.24		7.79

Summary of Changes in RSUs Granted under 2020 Plan

Changes in RSUs granted under the 2020 Plan for the three months ended June 30, 2021 is as follows:

	Number of Awards		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term
Awards outstanding—December 31, 2020		—	$	—		—
Awards issued		60,000	$	29.03
Awards exercised		—	$	—
Awards forfeited		—	$	—
Awards outstanding—June 30, 2021		60,000	$	29.03		9.75

Summary of Assumptions Used to Value Awards

The assumptions used to value the awards are summarized in the following table.

	As of
	June 30, 2021			December 31, 2020
Dividend yield		0.00	%		0.00	%
Expected volatility		60.00	%	55.00 - 95.80		%
Risk-free interest rate	0.66 - 1.19		%	0.32 - 0.56		%
Lack of marketability discount		0.00	%	0.00 - 20.48		%
Expected term (years)	4.6 - 6.3			5.4 - 6.5

Summary of Stock-based Compensation Expense

Stock-based compensation expense, net for the three and six months ended June 30, 2021 and 2020, respectively, was recorded in the condensed consolidated statements of operations and comprehensive income (loss) in the following line items:

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Research and development expense	$	549	$	89	$	969	$	169
Sales and marketing expense		777		111		1,396		219
General and administrative expense		2,481		261		4,693		548
	$	3,807	$	461	$	7,058	$	936

Summary of Future Compensation Expense

The Company will recognize compensation expense for these awards as summarized in the following table.

Years Ending December 31,	Stock Compensation Expense
2021 (excluding the six months ended June 30, 2021)	$	9,584
2022		17,682
2023		16,695
2024		15,716
2025		6,046