Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Condensed Consolidated Statements Of Operations
Net sales	$ 22,135	$ 20,363	$ 68,198	$ 64,835
Cost of goods sold	14,195	12,937	43,749	41,644
Gross profit	7,940	7,426	24,449	23,191
Selling, general and administrative expenses	6,531	6,067	19,334	18,296
Operating income	1,409	1,359	5,115	4,895
Interest:
Interest expense	133	147	382	340
Interest income	(34)	(64)	(140)	(140)
Interest expense, net	99	83	242	200
Other (income) expense, net	(13)	7	15	93
Total other expense	86	90	257	293
Income before income taxes	1,323	1,269	4,858	4,602
Income tax expense	364	471	1,379	1,484
Net income	$ 959	$ 798	$ 3,479	$ 3,118
Basic earnings per share	$ 0.30	$ 0.26	$ 1.10	$ 1.00
Diluted earnings per share	$ 0.29	$ 0.26	$ 1.07	$ 1.00
Weighted average number of common shares outstanding - denominator used for basic per share computations	3,189	3,103	3,158	3,114
Weighted average number of dilutive stock options outstanding	137	30	86	18
Denominator used for diluted per share computations	3,325	3,133	3,244	3,132
Dividends declared per share	$ 0.08	$ 0.07	$ 0.23	$ 0.21