CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Sales	$ 79,515	$ 93,617
Cost of Sales	35,642	40,598
Gross Profit	43,873	53,019
Operating Expenses
Selling, general and administrative	36,324	41,020
Research and development	10,415	11,641
Restructuring costs	13,688	0
Total operating expenses	60,427	52,661
(Loss) income from operations	(16,554)	358
Other (income) expense
Interest expense (income), net	34	(144)
Other expense, net	473	195
(Loss) income before income tax (benefit) expense	(17,061)	307
Income tax (benefit) expense	(2,238)	155
Net (loss) income	$ (14,823)	$ 152
Net (loss) income per share - Basic (in dollars per share)	$ (0.84)	$ 0.01
Net (loss) income per share - Diluted (in dollars per share)	$ (0.84)	$ 0.01
Weighted average shares - Basic (in shares)	17,616,964	17,280,365
Weighted average shares - Diluted (in shares)	17,616,964	17,868,816
Selling, general and administrative	$ 36,324	$ 41,020
Product
Sales	56,525	71,577
Cost of Sales	23,066	27,951
Service
Sales	22,990	22,040
Cost of Sales	$ 12,576	$ 12,647