Consolidated Statement of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Total revenue	$ 63,593	$ 68,981	$ 169,544	$ 178,383
Total cost of sales	42,648	44,104	108,799	116,502
Gross profit	20,945	24,877	60,745	61,881
Selling, general and administrative expenses:
Sales and marketing	3,042	5,363	13,035	14,233
Research and development	3,981	4,863	13,900	14,250
General and administrative	21,591	19,739	68,379	69,452
Total selling, general and administrative expenses	28,614	29,965	95,314	97,935
Operating loss	(7,669)	(5,088)	(34,569)	(36,054)
Other income/(expense)	518	20	648	(1,001)
Interest expense	(181)	(195)	(558)	(583)
Loss before income taxes	(7,332)	(5,263)	(34,479)	(37,638)
(Provision for)/benefit from income taxes	(8)	41	(133)	(6)
Net loss	$ (7,340)	$ (5,222)	$ (34,612)	$ (37,644)
Net loss per share:
Basic (in dollars per share)	$ (0.11)	$ (0.08)	$ (0.51)	$ (0.57)
Diluted (in dollars per share)	$ (0.11)	$ (0.08)	$ (0.51)	$ (0.57)
Weighted average shares outstanding:
Basic (in shares)	67,493	66,755	67,641	65,999
Diluted (in shares)	67,493	66,755	67,641	65,999
Revenue – services
Total revenue	$ 55,305	$ 62,955	$ 153,683	$ 164,016
Total cost of sales	36,746	40,137	97,913	108,236
Revenue – products
Total revenue	8,288	6,026	15,861	14,367
Total cost of sales	$ 5,902	$ 3,967	$ 10,886	$ 8,266