CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Total revenue	$ 35,222	$ 50,160
Total cost of sales	21,740	31,289
Gross profit	13,482	18,871
Selling, general and administrative expenses
Sales and marketing	1,643	5,252
Research and development	2,833	5,430
General and administrative	21,976	24,556
Total selling, general and administrative expenses	26,452	35,238
Operating loss	(12,970)	(16,367)
Other income	2,496	12
Interest expense	(249)	(190)
Loss before income taxes	(10,723)	(16,545)
Provision for income taxes	(23)	(71)
Net loss	$ (10,746)	$ (16,616)
Net (loss)/earnings per share:
Net loss per share, basic (in dollars per share)	$ (0.16)	$ (0.25)
Net loss per share, diluted (in dollars per share)	$ (0.16)	$ (0.25)
Weighted-average share outstanding:
Basic (in shares)	68,176	67,559
Diluted (in shares)	68,176	67,559
Revenue – services
Total revenue	$ 31,534	$ 48,108
Total cost of sales	19,268	29,731
Revenue – products
Total revenue	3,688	2,052
Total cost of sales	$ 2,472	$ 1,558