Warranties (Tables)

6 Months Ended

Jun. 30, 2012

Warranties [Abstract]

Schedule Of Warranty Liability And Related Activity

	Six-Month Periods Ended June 30,
	2012			2011
Beginning balance	$	423		$	624
Warranty provisions		72			90
Warranty claims		(87	)		(156	)
Adjustments to preexisting warranties		(47	)		—
Ending balance	$	361		$	558