Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Net sales	$ 47,808	$ 35,684	$ 139,758	$ 110,623
Cost of sales	35,377	27,491	104,156	82,973
Gross profit	12,431	8,193	35,602	27,650
Selling, general & administrative expenses	6,541	5,693	20,550	18,070
Acquisition-related costs			1,089
Restructuring costs				63
Material overcharge settlement			(104)	(121)
(Gain) loss on sale of fixed assets	5		(51)	3
Operating income	5,885	2,500	14,118	9,635
Interest income	12	63	44	147
Interest expense	(355)	(12)	(1,032)	(39)
Other income	85		137
Income before income tax expense	5,627	2,551	13,267	9,743
Income tax expense	1,493	856	3,366	3,248
Net income	$ 4,134	$ 1,695	$ 9,901	$ 6,495
Net income per share:
Basic (in dollars per share)	$ 0.56	$ 0.23	$ 1.35	$ 0.90
Diluted (in dollars per share)	$ 0.56	$ 0.23	$ 1.34	$ 0.89
Weighted average common shares outstanding:
Basic (in shares)	7,366	7,264	7,338	7,240
Diluted (in shares)	7,435	7,353	7,406	7,326

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460