Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per 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 Operations
Net sales	$ 27,594	$ 24,029	$ 44,472	$ 38,430
Cost of goods sold	17,773	15,346	28,707	24,439
Gross profit	9,821	8,683	15,765	13,991
Selling, general and administrative expenses	6,743	6,223	12,229	11,348
Operating income	3,078	2,460	3,536	2,643
Interest:
Interest expense	91	114	193	211
Interest income	(29)	(40)	(76)	(90)
Interest expense, net	62	74	117	121
Other expense (income), net	43	3	86	(22)
Total other expense	105	77	203	99
Income before income taxes	2,973	2,383	3,333	2,544
Income tax expense	912	640	1,013	681
Net income	$ 2,061	$ 1,743	$ 2,320	$ 1,863
Basic earnings per share	$ 0.66	$ 0.56	$ 0.74	$ 0.60
Diluted earnings per share	$ 0.66	$ 0.56	$ 0.74	$ 0.60
Weighted average number of common shares outstanding - denominator used for basic per share computations	3,103	3,096	3,118	3,085
Weighted average number of dilutive stock options outstanding	41	21	24	26
Denominator used for diluted per share computations	3,144	3,117	3,142	3,111
Dividends declared per share	$ 0.07	$ 0.06	$ 0.14	$ 0.12