Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net revenues	$ 8,973	$ 10,731
Cost of revenues	4,868	6,135
Gross margin	4,105	4,596
Selling expense	1,189	1,406
Engineering and product development expense	996	924
General and administrative expense	1,556	1,991
Restructuring and other charges		359
Total operating expenses	3,741	4,680
Operating income (loss)	364	(84)
Other income	6	13
Earnings (loss) before income tax expense (benefit)	370	(71)
Income tax expense (benefit)	78	(28)
Net earnings (loss)	$ 292	$ (43)
Net earnings (loss) per common share - basic (in Dollars per share)	$ 0.03	$ 0.00
Weighted average common shares outstanding - basic (in Shares)	10,327,428	10,205,114
Net earnings (loss) per common share - diluted (in Dollars per share)	$ 0.03	$ 0.00
Weighted average common shares and common share equivalents outstanding - diluted (in Shares)	10,366,312	10,205,114