CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Sales	$ 76,656	$ 76,331
Cost of Sales	35,630	35,924
Gross Profit	41,026	40,407
Operating Expenses
Selling, general and administrative	35,490	33,348
Research and development	12,128	11,973
Restructuring costs	600	1,524
Total operating expenses	48,218	46,845
Loss from operations	(7,192)	(6,438)
Other (income) expense
Interest expense, net	8	10
Other (income) expense, net	(13)	(1,615)
Loss before income tax benefit	(7,187)	(4,833)
Income tax expense (benefit)	2,500	(1,612)
Net loss	$ (9,687)	$ (3,221)
Net loss per share - Basic (in dollars per share)	$ (0.53)	$ (0.18)
Net loss per share - Diluted (in dollars per share)	$ (0.53)	$ (0.18)
Weighted average shares - Basic (in shares)	18,240,299	18,076,410
Weighted average shares - Diluted (in shares)	18,240,299	18,076,410
Product
Sales	$ 56,730	$ 54,635
Cost of Sales	24,333	24,804
Service
Sales	19,926	21,696
Cost of Sales	$ 11,297	$ 11,120