Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2023

Share-Based Payment Arrangement [Abstract]

Stock-Based Compensation Expense

Stock-based compensation expense was as follows (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2023		2022		2023		2022
Cost of revenues	$	570	$	431	$	1,056	$	682
Selling, general and administrative		1,626		1,440		3,146		2,647
Research and development		816		751		1,627		1,287
Total stock-based compensation	$	3,012	$	2,622	$	5,829	$	4,616

Summary of Compensation Expenses by Type of Award

Compensation expense by type of award was as follows (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2023		2022		2023		2022
Stock options	$	2,701	$	2,351	$	5,197	$	4,110
ESPP		311		271		632		506
Total stock-based compensation	$	3,012	$	2,622	$	5,829	$	4,616