Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net sales	$ 7,691	$ 7,539
Cost of sales	5,414	5,430
Gross profit	2,277	2,109
Operating expenses:
Selling, general and administrative	2,350	2,363
Engineering and product development	295	339
Total operating expenses	2,645	2,702
Loss from operations	(368)	(593)
Other income (expense):
Interest income	21	12
Interest expense	(118)	(91)
Other, net	103	(78)
Total other expense, net	6	(157)
Loss before income taxes	(362)	(750)
Income tax expense	166	112
Loss from continuing operations	(528)	(862)
Discontinued operations:
(Loss)/Income from discontinued operations		(9)
Tax provision on discontinued operations
(Loss)/Income from discontinued operations		(9)
Net Loss	(528)	(871)
Weighted average shares outstanding
Basic	10,698	10,668
Diluted	10,698	10,668
Loss per share:
Continuing operations	$ (0.05)	$ (0.08)
Discontinued operations
Net loss	$ (0.05)	$ (0.08)
Diluted
Continuing operations	$ (0.05)	$ (0.08)
Discontinued operations
Net loss	$ (0.05)	$ (0.08)
Statement of Comprehensive Loss
Net loss	(528)	(871)
Foreign currency translation adjustment	(689)	472
Comprehensive loss	$ (1,217)	$ (399)