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Note D - Product Warranties
6 Months Ended
Jun. 30, 2015
Notes to Financial Statements  
Product Warranty Disclosure [Text Block]
NOTE D - 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:
 
   
June 30,
 
(Dollars in thousands)
 
2015
   
2014
 
Balance at beginning of year
  $ 1,189     $ 1,170  
Provision
    734       811  
Claims
    (727 )     (862 )
Balance at end of period
  $ 1,196     $ 1,119