CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Sales	$ 88,211	$ 79,917	$ 173,178	$ 156,573
Cost of sales	54,888	39,480	100,139	75,111
Gross profit	33,323	40,437	73,039	81,462
Operating expenses
Selling, general and administrative	38,561	36,018	79,937	71,508
Research and development	11,662	12,042	24,380	24,170
Restructuring costs	8,450	1,333	12,688	1,932
Total operating expenses	58,673	49,393	117,005	97,610
Loss from operations	(25,350)	(8,956)	(43,966)	(16,148)
Other (income) expense
Interest expense (income)	1,003	(12)	1,838	(4)
Other expense (income), net	476	(1,636)	256	(1,649)
Loss before income tax	(26,829)	(7,308)	(46,060)	(14,495)
Income tax expense	1,416	1,266	3,349	3,766
Net loss	$ (28,245)	$ (8,574)	$ (49,409)	$ (18,261)
Net loss per share - Basic (in dollars per share)	$ (1.49)	$ (0.47)	$ (2.62)	$ (1.00)
Net loss per share - Diluted (in dollars per share)	$ (1.49)	$ (0.47)	$ (2.62)	$ (1.00)
Weighted average shares - Basic (in shares)	18,920,675	18,266,747	18,871,007	18,267,783
Weighted average shares - Diluted (in shares)	18,920,675	18,266,747	18,871,007	18,267,783
Product
Sales	$ 67,603	$ 59,702	$ 132,843	$ 116,432
Cost of sales	44,094	28,169	78,051	52,504
Service
Sales	20,608	20,215	40,335	40,141
Cost of sales	$ 10,794	$ 11,311	$ 22,088	$ 22,607