CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Income Statement [Abstract]
Net sales	$ 44,433	$ 34,592	$ 78,794	$ 67,618
Cost of sales	30,136	24,045	53,313	46,887
Gross profit	14,297	10,547	25,481	20,731
Selling and administrative	8,100	6,186	14,692	12,527
Acquisition expenses	2,299	0	3,394	0
Amortization	591	76	750	172
Income from operations	3,307	4,285	6,645	8,032
Other (expenses) income, net	(59)	1	72	(64)
Interest expense (including related party interest of $0 and $59, and $0 and $118, respectively)	(154)	(266)	(251)	(537)
Income before income taxes	3,094	4,020	6,466	7,431
Income tax expense	51	1,535	1,215	2,901
Net income	$ 3,043	$ 2,485	$ 5,251	$ 4,530
Earnings per share:
Basic	$ 0.17	$ 0.17	$ 0.30	$ 0.31
Diluted	$ 0.17	$ 0.15	$ 0.29	$ 0.27
Weighted average number of common shares outstanding:
Basic	17,750,512	14,615,913	17,416,118	14,571,642
Diluted	18,355,496	17,211,339	18,066,539	17,169,674