Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net sales	$ 37,220	$ 34,441	$ 109,626	$ 104,917
Cost of sales	28,768	24,931	83,161	76,475
Gross profit	8,452	9,510	26,465	28,442
Selling, general & administrative expenses	6,027	5,604	18,402	18,404
Restructuring costs	25	851	203	959
Material overcharge settlement	(1,681)		(2,114)
Gain on sale of fixed assets			(4)	(31)
Operating income	4,081	3,055	9,978	9,110
Interest income (expense), net	25	9	51	(7)
Income before income tax expense	4,106	3,064	10,029	9,103
Income tax expense	1,437	1,072	3,550	3,186
Net income	$ 2,669	$ 1,992	$ 6,479	$ 5,917
Net income per share:
Basic (in dollars per share)	$ 0.37	$ 0.28	$ 0.90	$ 0.83
Diluted (in dollars per share)	$ 0.37	$ 0.28	$ 0.89	$ 0.82
Weighted average common shares outstanding:
Basic (in shares)	7,225	7,131	7,213	7,108
Diluted (in shares)	7,312	7,230	7,294	7,212