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Product Warranty and Indemnification (Tables)
 12 Months Ended
Dec. 31, 2013
Product Warranties Disclosures [Abstract]  
Activity related to the product warranty liability
The following table summarizes the activity related to the product warranty liability (in thousands):
 
 
Beginning balance
 
Cost of warranty claims
 
Accruals for product warranties
 
Foreign currency translation adjustment
 
Balance at
end of
period
December 31, 2011
 
$
861

 
790
 
(524)
 
(1)
 
1,126
December 31, 2012
 
$
1,126

 
(150)
 
30
 
0
 
1,006
December 31, 2013
 
$
1,006

 
(321)
 
(107)
 
0
 
578