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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2014
Summary Of Significany Accounting Policies [Abstract]  
Changes In Warranty Liability

 

 

 

 

 

 

 

 

 

 

 

2014

 

 

2013

 

 

2012

Beginning balance

$
72 

 

$
73 

 

$
82 

 

 

 

 

 

 

 

 

 

Warranty expense

 
122 

 

 
123 

 

 
42 

Closed warranty claims

 
(94)

 

 
(124)

 

 
(51)

 

 

 

 

 

 

 

 

 

Ending balance

$
100 

 

$
72 

 

$
73