Consolidated Statements of Income (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Sales	$ 100,299	$ 94,304
Cost of sales	78,595	72,925
Gross profit	21,704	21,379
Operating expenses:
Salaries and commissions	8,123	7,967
Other operating expenses	6,492	6,281
Depreciation and amortization	741	745
Total operating expenses	15,356	14,993
Operating income	6,348	6,386
Interest expense	268	273
Income before income taxes	6,080	6,113
Income taxes	2,335	2,251
Net income	$ 3,745	$ 3,862
Earnings per share:
Basic	$ 0.21	$ 0.22
Diluted	$ 0.21	$ 0.22
Weighted average common shares outstanding:
Basic	17,850,911	17,752,682
Diluted	17,944,010	17,845,442
Dividends declared per share	$ 0.11	$ 0.09