Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Net sales	$ 6,950	$ 6,474	$ 14,989	$ 13,566
Cost of sales	5,173	4,533	10,953	9,674
Gross profit	1,777	1,941	4,036	3,892
Operating expenses:
Selling, general and administrative	2,490	2,566	5,163	5,099
Engineering and product development	439	402	872	925
Total operating expenses	2,929	2,968	6,035	6,024
Loss from operations	(1,152)	(1,027)	(1,999)	(2,132)
Other income (expense):
Interest income	12	32	24	47
Interest expense	(83)	(746)	(169)	(1,570)
Other, net	(4)	147	(57)	291
Total other expense, net	(75)	(567)	(202)	(1,232)
Loss before income taxes	(1,227)	(1,594)	(2,201)	(3,364)
Income tax benefit	(43)	(303)	(58)	(439)
Loss from continuing operations	(1,184)	(1,291)	(2,143)	(2,925)
Discontinued operations:
Income from discontinued operations	416	975	416	1,887
Tax provision on discontinued operations	111	479	111	709
Income from discontinued operations	305	496	305	1,178
Net loss	$ (879)	$ (795)	$ (1,838)	$ (1,747)
Weighted average shares outstanding
Basic (in shares)	10,667	10,213	10,667	10,213
Diluted (in shares)	10,667	10,213	10,667	10,213
Basic
Continuing operations (in dollars per share)	$ (0.11)	$ (0.13)	$ (0.20)	$ (0.29)
Discontinued operations (in dollars per share)	$ 0.03	$ 0.05	$ 0.03	$ 0.12
Net loss (in dollars per share)	$ (0.08)	$ (0.08)	$ (0.17)	$ (0.17)
Diluted
Continuing operations (in dollars per share)	$ (0.11)	$ (0.13)	$ (0.20)	$ (0.29)
Discontinued operations (in dollars per share)	$ 0.03	$ 0.05	$ 0.03	$ 0.12
Net loss (in dollars per share)	$ (0.08)	$ (0.08)	$ (0.17)	$ (0.17)