Consolidated Statements of Operations (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Oct. 02, 2011	Oct. 03, 2010	Oct. 02, 2011	Oct. 03, 2010
Net sales	$ 4,067	$ 3,803	$ 11,472	$ 11,170
Cost of sales	2,544	2,310	7,202	6,879
Gross profit	1,523	1,493	4,270	4,291
Operating expenses:
Selling and advertising	552	542	1,689	1,601
General and administrative	363	356	1,019	1,079
Research and development	332	325	936	964
Operating Expenses, Total	1,247	1,223	3,644	3,644
Operating profit	276	270	626	647
Interest income	2	4	7	13
Earnings before income taxes	278	274	633	660
Income tax expense	89	100	203	255
Net earnings	$ 189	$ 174	$ 430	$ 405
Basic earnings per share	$ 0.04	$ 0.04	$ 0.10	$ 0.09
Diluted earnings per share	$ 0.04	$ 0.04	$ 0.09	$ 0.09
Basic weighted average shares	4,350	4,306	4,344	4,302
Diluted weighted average shares	4,579	4,496	4,615	4,450