Product Warranty

3 Months Ended

Mar. 31, 2013

Product Warranty [Abstract]

Product Warranty

9.   Product Warranty

As the Company recognizes revenue under the percentage-of-completion method, it provides an accrual for estimated future warranty costs based on historical experience and projected claims.  The activity in the warranty account is as follows:

(in thousands)
Balance at December 31, 2012	$	2,107
Warranty provision		167
Warranty claims		(285	)
Currency adjustment		(1	)
Balance at March 31, 2013	$	1,988