Condensed Consolidated Statements of Earnings (unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Net sales	$ 9,759,000	$ 11,031,000	$ 33,716,000	$ 37,995,000
Cost of sales	8,000,000	9,070,000	27,356,000	31,073,000
Gross margin	1,759,000	1,961,000	6,360,000	6,922,000
Engineering, selling & administrative expenses	1,889,000	2,096,000	6,060,000	6,403,000
Operating Earnings	(130,000)	(135,000)	300,000	519,000
Interest expense	30,000	45,000	92,000	156,000
Other (income), net	0	(1,000)	0	(1,000)
Income tax (benefit) expense	(8,000)	(3,000)	0	(6,000)
Net (Loss) Earnings	$ (152,000)	$ (176,000)	$ 208,000	$ 370,000
Basic (loss) earnings per share (in Dollars per share)	$ (0.01)	$ (0.02)	$ 0.02	$ 0.03
Diluted (loss) earnings per share (in Dollars per share)	$ (0.01)	$ (0.02)	$ 0.02	$ 0.03
Basic average common shares outstanding (in Shares)	11,602,233	11,535,480	11,589,108	11,530,289
Diluted average common shares outstanding (in Shares)	11,608,361	11,542,984	11,595,844	11,537,891