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Product Warranty
 3 Months Ended
Mar. 31, 2015
Product Warranty [Abstract]  
Product Warranty

5.    Product Warranty

In general, the Company warrants its products to be free from defects in material and workmanship and will fully conform to and perform to specifications for a period of one year. The following table presents changes in the Company’s warranty liability for the three months ended March 31, 2015 and the year ended December 31, 2014:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

March 31,

 

 

December 31,

 

 

2015

 

 

2014

Beginning balance

$
100 

 

$
72 

 

 

 

 

 

 

Warranty expense

 
20 

 

 
122 

Closed warranty claims

 
(12)

 

 
(94)

 

 

 

 

 

 

Ending balance

$
108 

 

$
100