Commitments And Contingencies (Tables)

9 Months Ended

Sep. 30, 2011

Commitments And Contingencies

Schedule Of Warranty Reserve

	Nine Months Ended
	September 30,
	(unaudited)
	2011	2010
Balance at the beginning of the period	$             921	$            921
Accruals for warranties issued during the period	2,175	1,485
Settlements made (in cash or in kind) during the period	(2,175)	(1,483)
Balance at the end of the period	$             921	$            923