Consolidated Statement of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Total revenue	$ 55,791	$ 53,644	$ 105,951	$ 109,402
Total cost of sales	34,862	31,110	66,151	72,398
Gross profit	20,929	22,534	39,800	37,004
Selling, general and administrative expenses:
Sales and marketing	4,741	5,043	9,993	8,869
Research and development	4,489	5,327	9,919	9,388
General and administrative	23,865	29,635	46,788	49,712
Total selling, general and administrative expenses	33,095	40,005	66,700	67,969
Operating loss	(12,166)	(17,471)	(26,900)	(30,965)
Other income/(expense)	118	32	130	(1,022)
Interest expense	(187)	(192)	(377)	(388)
Loss before income taxes	(12,235)	(17,631)	(27,147)	(32,375)
Provision for income taxes	(54)	(13)	(125)	(47)
Net loss	$ (12,289)	$ (17,644)	$ (27,272)	$ (32,422)
Net loss per share:
Basic (in dollars per share)	$ (0.18)	$ (0.26)	$ (0.40)	$ (0.49)
Diluted (in dollars per share)	$ (0.18)	$ (0.26)	$ (0.40)	$ (0.49)
Weighted average shares outstanding:
Basic (in shares)	67,876	66,616	67,717	65,621
Diluted (in shares)	67,876	66,616	67,717	65,621
Revenue – services
Total revenue	$ 50,270	$ 49,003	$ 98,378	$ 101,061
Total cost of sales	31,436	28,609	61,167	68,099
Revenue – products
Total revenue	5,521	4,641	7,573	8,341
Total cost of sales	$ 3,426	$ 2,501	$ 4,984	$ 4,299