Condensed Consolidated Statements of Comprehensive Loss (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Statement [Abstract]
Net sales	$ 7,757	$ 7,691
Cost of sales	5,758	5,414
Gross profit	1,999	2,277
Operating expenses:
Selling, general and administrative	2,335	2,350
Engineering and product development	316	295
Total operating expenses	2,651	2,645
Loss from operations	(652)	(368)
Other income (expense):
Interest income	34	21
Interest expense	(136)	(118)
Other, net	(9)	(103)
Total other expense, net	(111)	6
Loss before income taxes	(763)	(362)
Income tax provision	22	166
Net Loss	(785)	(528)
Foreign currency translation adjustment	98	(689)
Comprehensive loss	$ (687)	$ (1,217)
Weighted average shares outstanding Basic and diluted	10,715	10,698
Loss per share:
Basic and Diluted	$ (0.07)	$ (0.05)