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Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Sales
Products	$ 105,253	$ 143,597
Services	15,553	26,682
Total Sales	120,806	170,279
Cost of Sales
Products	68,612	76,664
Services	12,461	19,906
Total Cost of Sales	81,073	96,570
Gross Profit	39,733	73,709
Selling, general and administrative expenses	33,531	34,789
Research and development expenses	32,849	31,971
Operating Income (Loss)	(26,647)	6,949
Interest and dividend income	866	933
Interest expense	(132)	(141)
Net realized investment gain	(97)	470
Other income (expense), net	(57)	134
Gain on bargain purchase of a business	11,322
Income (loss) before provision for income taxes	(14,745)	8,345
(Provision) benefit for income taxes	3,931	(1,694)
Net Income (Loss)	$ (10,814)	$ 6,651
Weighted average shares outstanding – basic	48,232	48,430
Weighted average shares outstanding – diluted	48,292	48,939
Earnings (loss) per common share – basic	$ (0.22)	$ 0.14
Earnings (loss) per common share – diluted	(0.22)	0.14
Dividend per share	$ 0.09	$ 0.09

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-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=96947427&loc=d3e1448-109256

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