Condensed Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Apr. 02, 2011
Net sales	$ 3,290	$ 4,005
Cost of sales	2,477	2,922
Gross profit	813	1,083
Operating expenses:
Selling	385	374
Marketing	132	137
Research and development	168	150
General and administrative	468	533
	1,153	1,194
Loss before income taxes	(340)	(111)
Income tax benefit	130	45
Net loss	$ (210)	$ (66)
Weighted average common shares outstanding:
Basic (in Shares)	5,155	5,177
Diluted (in Shares)	5,155	5,177
Net loss per common share:
Basic (in Dollars per share)	$ (0.04)	$ (0.01)
Diluted (in Dollars per share)	$ (0.04)	$ (0.01)