Stock-Based Compensation

3 Months Ended

Mar. 31, 2022

Share-based Payment Arrangement [Abstract]

Stock-Based Compensation

10. Stock-based compensation

Stock compensation expense for each period was as follows:

	Three months ended March 31,
(in thousands)	2022		2021
Cost of revenue	$	309	$	66
Research and development		188		14
Selling and marketing		530		9
General and administrative		3,583		360
Total stock compensation expense	$	4,610	$	449