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Inventories
6 Months Ended
Jun. 30, 2015
Inventory Disclosure [Abstract]  
Inventories
5. Inventories

 

(Table only in thousands)    June 30,
2015
     December 31,
2014
 

Raw materials

   $ 18,872       $ 18,848   

Work in process

     2,342         2,644   

Finished goods

     2,361         2,492   

Obsolescence allowance

     (823      (568
  

 

 

    

 

 

 
   $ 22,752       $ 23,416   
  

 

 

    

 

 

 

Amounts credited to the allowance for obsolete inventory and charged to cost of sales amounted to $0.1 million and $0.2 million for the three-month periods ended June 30, 2015 and 2014, respectively, and $0.3 million and $0.3 million for the six-month periods ended June 30, 2015 and 2014, respectively.