CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Total revenue	$ 23,783	$ 36,186	$ 81,900	$ 104,319
Impairment loss on intangible assets	5,333	0	5,333	0
Depreciation and amortization	1,490	1,945	4,807	2,291
Total cost of sales	20,640	23,173	58,089	65,465
Gross profit	3,143	13,013	23,811	38,854
Operating expenses:
Research and development expenses	2,409	2,805	7,038	8,284
Selling, general and administrative expenses	23,225	19,552	56,346	62,351
Impairment loss on intangible assets	6,373	349	6,373	349
Total operating expenses	32,007	22,706	69,757	70,984
Operating loss	(28,864)	(9,693)	(45,946)	(32,130)
Other income	983	1,222	3,299	5,367
Interest expense	(157)	(178)	(492)	(611)
Loss before income taxes	(28,038)	(8,649)	(43,139)	(27,374)
Provision for income taxes	(17)	(23)	(51)	(68)
Net loss	$ (28,055)	$ (8,672)	$ (43,190)	$ (27,442)
Net loss per share:
Basic (in dollars per share)	$ (0.39)	$ (0.12)	$ (0.60)	$ (0.40)
Diluted (in dollars per share)	$ (0.39)	$ (0.12)	$ (0.60)	$ (0.40)
Weighted-average shares outstanding:
Basic (in shares)	72,309	69,571	71,654	69,062
Diluted (in shares)	72,309	69,571	71,654	69,062
Service
Total revenue	$ 22,197	$ 34,385	$ 78,017	$ 94,866
Total cost of sales (excluding impairment loss, depreciation and amortization)	12,689	20,683	45,681	58,613
Product
Total revenue	1,586	1,801	3,883	9,453
Total cost of sales (excluding impairment loss, depreciation and amortization)	$ 1,128	$ 545	$ 2,268	$ 4,561