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Product Warranty (Tables)
 3 Months Ended
Mar. 31, 2015
Product Warranty [Abstract]  
Changes In Warranty Liability

 

 

 

 

 

 

 

 

 

 

 

 

 

 

March 31,

 

 

December 31,

 

 

2015

 

 

2014

Beginning balance

$
100 

 

$
72 

 

 

 

 

 

 

Warranty expense

 
20 

 

 
122 

Closed warranty claims

 
(12)

 

 
(94)

 

 

 

 

 

 

Ending balance

$
108 

 

$
100