CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Net sales	$ 63,741	$ 52,994	$ 175,951	$ 141,794
Cost of sales	57,984	47,860	159,768	128,007
Gross profit	5,757	5,134	16,183	13,787
Selling, general and administrative expenses	3,465	3,181	10,635	9,371
Income from operations	2,292	1,953	5,548	4,416
Interest income, net	92	104	264	316
Realized foreign exchange gain			1	3
Income before income tax provision	2,384	2,057	5,813	4,735
Provision for income taxes	890	800	2,248	1,800
Net income	$ 1,494	$ 1,257	$ 3,565	$ 2,935
Net income per common share - Basic (in dollars per share)	$ 0.34	$ 0.29	$ 0.81	$ 0.67
Net income per common share - Diluted (in dollars per share)	$ 0.33	$ 0.28	$ 0.77	$ 0.66
Weighted average common shares outstanding-Basic (in shares)	4,406	4,389	4,411	4,380
Weighted average common shares outstanding-Diluted (in shares)	4,575	4,502	4,618	4,475
Dividends paid per common share (in dollars per share)	$ 0.16	$ 0.15	$ 0.48	$ 0.45