Warranty Provision

9 Months Ended

Sep. 30, 2011

Warranty Provision and Commitments and Contingencies [Abstract]

WARRANTY PROVISION

8. WARRANTY PROVISION

The Company replaces defective products that are expected to be returned by its customers under its warranty program and includes such estimated product returns in its cost of goods sold. The following table reflects the changes in the Company’s accrued product warranty for expected customer claims related to known product warranty issues for the three and nine months ended September 30, 2011 and September 30, 2010:

	Three months Ended September 30,					Nine Months Ended September 30,
	2011			2010		2011			2010
Accrued product warranty, beginning of period	$	770		$	481	$	1,596		$	—
Charged to (reversal of) cost of revenues		(165	)		759		(83	)		1,240
Actual product warranty expenses		—			—		(908	)		—
Accrued product warranty, end of period	$	605		$	1,240	$	605		$	1,240