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Product Warranties (Tables)
 6 Months Ended
Jun. 30, 2013
Guarantees [Abstract]  
Change in Accrued Warranty Expense

Accrued warranty expense is included in “Accounts payable and accrued expenses” on our condensed consolidated balance sheets, and the change in accrued warranty expense is summarized in the following table:

 

     Three Months Ended     Six Months Ended  
     June 30,     June 30,  
(dollars in thousands)    2013     2012     2013     2012  

Beginning balance

    $ 941      $ 453      $ 531      $ 431   

Provision

      35        147        71        211   

Payments

      (46 )      (15 )      (112 )      (57 ) 

Acquisition

      0        0        440        0   
  

 

 

    

 

 

    

 

 

    

 

 

  

Ending balance

    $ 930      $ 585      $ 930      $ 585