Warranties (Tables)

12 Months Ended

Dec. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

Change in the Company's warranty reserve

The overall change in the Company’s warranty reserve is reflected on the consolidated balance sheets in accrued expenses and taxes and is detailed as follows:

	Years Ended December 31,
	2013			2012			2011
	(in thousands)
Liability, beginning of year	$	1,374		$	930		$	1,151
Provision for warranties issued during the year, net of adjustments	1,453			1,318			1,098
Provision for warranties issued in previous years, net of adjustments	(788		)	199			(466		)
Warranty claims	(654		)	(1,073		)	(853		)
Liability, end of year	$	1,385		$	1,374		$	930