Product Warranty

9 Months Ended

Sep. 30, 2012

Product Warranty [Abstract]

Product Warranty

3.	Product Warranty
	In general, the Company warrants its products to be free from defects in material and workmanship and will fully conform to and perform to specifications for a period of one year. The following table presents changes in the Company's warranty liability for the nine months ended September 30, 2012 and the year ended December 31, 2011:

	September 30, 2012			December 31, 2011
Beginning balance	$	82		$	105
Warranty expense		13			27
Closed warranty claims		(22	)		(50	)
Ending balance	$	73		$	82