Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2013

Commitments and Contingencies Disclosure [Abstract]

Schedule of Changes in Reserve for Product Warranty Claim Costs

Changes in the reserve for product warranty claim costs were as follows:

(In thousands) Description	Balance at Beginning of Period		Accruals for Warranties Issued During the Period		Settlements (in Cash or in Kind) During the Period			Balance at End of Period
Reserve for product warranty claim costs:
Six months ended June 30, 2013	$	404	$	375	$	(500	)	$	279
Six months ended June 30, 2012	$	6	$	—	$	—		$	6