CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Sales	$ 86,813	$ 85,332	$ 259,991	$ 241,906
Cost of sales	45,139	42,067	145,278	117,178
Gross profit	41,674	43,265	114,713	124,728
Operating expenses
Selling, general and administrative	37,970	37,226	117,907	108,734
Research and development	8,188	12,586	32,568	36,756
Restructuring costs	2,442	580	15,130	2,512
Total operating expenses	48,600	50,392	165,605	148,002
Loss from operations	(6,926)	(7,127)	(50,892)	(23,274)
Other (income) expense
Interest expense (income)	691	(24)	2,529	(28)
Other income, net	(381)	(1,428)	(125)	(3,077)
Loss before income tax	(7,236)	(5,675)	(53,296)	(20,169)
Income tax expense	1,520	586	4,869	4,352
Net loss	$ (8,756)	$ (6,261)	$ (58,165)	$ (24,521)
Net loss per share - Basic (in dollars per share)	$ (0.46)	$ (0.34)	$ (3.08)	$ (1.34)
Net loss per share - Diluted (in dollars per share)	$ (0.46)	$ (0.34)	$ (3.08)	$ (1.34)
Weighted average shares - Basic (in shares)	18,953,251	18,436,615	18,899,954	18,336,537
Weighted average shares - Diluted (in shares)	18,953,251	18,436,615	18,899,954	18,336,537
Product
Sales	$ 66,911	$ 65,581	$ 199,754	$ 182,015
Cost of sales	34,640	30,375	112,691	82,879
Service
Sales	19,902	19,751	60,237	59,891
Cost of sales	$ 10,499	$ 11,692	$ 32,587	$ 34,299