Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Condensed Consolidated Statements of Income [Abstract]
Net sales	$ 34,592	$ 32,537	$ 67,618	$ 68,493
Cost of sales	24,045	23,839	46,887	51,322
Gross profit	10,547	8,698	20,731	17,171
Selling and administrative	6,186	5,741	12,527	11,688
Amortization	76	112	172	223
Income from operations	4,285	2,845	8,032	5,260
Other expense, net	1	360	(64)	333
Interest expense (including related party interest of $59 and $59, and $118 and $118, respectively)	(266)	(284)	(537)	(574)
Income before income taxes	4,020	2,921	7,431	5,019
Income tax expense	1,535	968	2,901	1,808
Net income	$ 2,485	$ 1,953	$ 4,530	$ 3,211
Per share data:
Basic net income	$ 0.17	$ 0.14	$ 0.31	$ 0.22
Diluted net income	$ 0.15	$ 0.12	$ 0.27	$ 0.20
Weighted average number of common shares outstanding:
Basic	14,615,913	14,334,116	14,571,642	14,324,040
Diluted	17,211,339	17,141,633	17,169,674	17,117,440