Product Warranty

6 Months Ended

Jun. 30, 2011

Notes to Financial Statements [Abstract]

Product Warranty

11.   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, 2010	$	1,680
Warranty provision		444
Warranty claims		(248	)
Currency adjustment		24
Balance at June 30, 2011	$	1,900