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Product Warranties
9 Months Ended
Sep. 30, 2011
Product Warranties [Abstract] 
Product Warranties

13. Product Warranties

The Company's warranty reserve is to cover the products sold and is principally at our Effox subsidiary. The warranty accrual is based on historical claims information. The warranty reserve is reviewed and adjusted as necessary on a quarterly basis. Warranty accrual is not significant at the Company's other operations due to the nature of the work of including installation. The change in accrued warranty expense is summarized in the following table:

 

      Three Months
Ended
September 30,		     Nine Months
Ended
September 30,		  
$ in thousands            2011                     2010                     2011                     2010          

Beginning balance

    $ 487      $ 472      $ 455      $ 498   

Provision

      28        35        239        235   

Payments

      (213 )     (52 )     (392 )     (278 )
  

 

 

    

 

 

    

 

 

    

 

 

  

Ending balance

    $ 302      $ 455      $ 302      $ 455