Product Warranty

6 Months Ended

Jun. 30, 2011

Product Warranty

Product Warranty

4.	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 six months ended June 30, 2011 and the twelve months ended December 31, 2010:

	June 30, 2011			December 31, 2010
Beginning balance	$	105		$	71
Warranty expense		20			116
Closed warranty claims		(49	)		(82	)
Ending balance	$	79		$	105