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Note C - Product Warranties
9 Months Ended
Sep. 30, 2013
Product Warranties Disclosures [Abstract]  
Product Warranty Disclosure [Text Block]

NOTE C - PRODUCT WARRANTIES


A liability is established for estimated future warranty and service claims based on historical claims experience and specific product failures. The Company expenses warranty costs directly to cost of products sold. Changes in the Company’s product warranty liability are:


(Thousands of dollars)

 

September 30,

 
   

2013

   

2012

 

Balance at beginning of year

  $ 1,133     $ 1,228  

Provision

    1,023       1,059  

Claims

    (995 )     (1,117 )

Balance at end of period

  $ 1,161     $ 1,170