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Warranties (Tables)
 9 Months Ended
Sep. 30, 2017
Warranties [Abstract]  
Warranty liability and related activity

Warranty liability and related activity consisted of the following (in thousands):

 

 

Nine-Month Periods Ended
September 30,

 

2017


2016

 

 

 



 

 

 

Beginning balance

$

1,223



$

760

 

Warranty provisions

 

38



 

         185

 

Warranty claims


(111

)


 

(288

) 

Adjustments to preexisting warranties


(167

)


 

27

 

Currency


4



 

—

 

Ending balance

$

987



$

684