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Stock-Based Compensation and Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2023

Schedule of Share-based Payment Arrangement, Cost by Plan

The following table sets forth stock-based compensation expense recognized by the Company in the following line items in the Company's consolidated statements of operations and comprehensive income (loss) during the periods presented:


	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2023		2022		2023		2022
Cost of services	$	174	$	107	$	496	$	314
Sales and marketing	2,691		1,967		8,303		4,569
General and administrative	2,597		2,328		7,854		5,257
Stock-based compensation expense	$	5,462	$	4,402	$	16,653	$	10,140

Schedule of Stock-based Compensation Expense

The following table sets forth stock-based compensation expense by award type during the periods presented:


	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2023		2022		2023		2022
RSUs	$	2,423	$	1,404	$	7,243	$	2,196
PSUs	2,379		1,194		6,994		1,947
Stock options	419		1,561		1,260		4,621
ESPP	241		243		1,156		1,376
Stock-based compensation expense	$	5,462	$	4,402	$	16,653	$	10,140

Schedule of Nonvested Restricted Stock Shares Activity

The following table sets forth the Company's restricted stock unit (“RSU”) activity during the nine months ended September 30, 2023:


	Number of Restricted Stock Units	Weighted-Average Grant-Date Fair Value

Nonvested balance as of December 31, 2022	517,135	$	25.93
Granted	709,175	19.58
Vested	(204,849)	25.65
Forfeited	(22,192)	23.44
Nonvested balance as of September 30, 2023	999,269	$	21.54

Schedule of Nonvested Performance-Based Units Activity

The following table sets forth the Company's performance-based restricted stock unit (“PSU”) activity during the nine months ended September 30, 2023:


	Number of Performance-Based Restricted Stock Units	Weighted-Average Grant-Date Fair Value

Nonvested balance as of December 31, 2022	473,371	$	26.76
Granted	657,408	21.46
Vested	—	—
Forfeited	—	—
Nonvested balance as of September 30, 2023	1,130,779	$	23.68