Stock-based compensation (Tables)

6 Months Ended

Jun. 30, 2022

Share-Based Payment Arrangement [Abstract]

Schedule of Stock compensation expense

Stock compensation expense for each period was as follows:

	Three months ended June 30,				Six months ended June 30,
(in thousands)	2022		2021		2022		2021
Cost of revenue	$	1,059	$	7,163	$	1,368	$	7,229
Research and development		459		3,711		647		3,725
Selling and marketing		502		1,798		1,032		1,807
General and administrative		1,118		40,029		4,701		40,389
Total stock compensation expense	$	3,138	$	52,701	$	7,748	$	53,150