CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Total revenue	$ 32,911	$ 55,791	$ 68,133	$ 105,951
Total cost of sales	20,552	34,862	42,292	66,151
Gross profit	12,359	20,929	25,841	39,800
Selling, general and administrative expenses
Sales and marketing	1,793	4,741	3,436	9,993
Research and development	2,646	4,489	5,479	9,919
General and administrative	17,387	25,735	39,363	50,291
Total selling, general and administrative expenses	21,826	34,965	48,278	70,203
Operating loss	(9,467)	(14,036)	(22,437)	(30,403)
Other income	1,649	118	4,145	130
Interest expense	(184)	(187)	(433)	(377)
Loss before income taxes	(8,002)	(14,105)	(18,725)	(30,650)
Provision for income taxes	(22)	(54)	(45)	(125)
Net loss	$ (8,024)	$ (14,159)	$ (18,770)	$ (30,775)
Net loss per share:
Basic (in dollars per share)	$ (0.12)	$ (0.21)	$ (0.27)	$ (0.45)
Diluted (in dollars per share)	$ (0.12)	$ (0.21)	$ (0.27)	$ (0.45)
Weighted-average shares outstanding:
Basic (in shares)	69,424	67,876	68,804	67,717
Diluted (in shares)	69,424	67,876	68,804	67,717
Services
Total revenue	$ 28,947	$ 50,270	$ 60,481	$ 98,378
Total cost of sales	19,008	31,436	38,276	61,167
Products
Total revenue	3,964	5,521	7,652	7,573
Total cost of sales	$ 1,544	$ 3,426	$ 4,016	$ 4,984