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Inventories
6 Months Ended
Jun. 30, 2014
Inventory Disclosure [Abstract]  
Inventories
5. Inventories

 

(Table only in thousands)    June 30,
2014
    December 31,
2013
 

Raw materials

   $ 19,563      $ 19,753   

Work in process

     2,795        3,172   

Finished goods

     2,549        2,987   

Obsolescence allowance

     (844     (536
  

 

 

   

 

 

 
   $ 24,063      $ 25,376   
  

 

 

   

 

 

 

Amounts credited to the allowance for obsolete inventory and charged to cost of sales amounted to $0.2 million and $0.1 million for the three-month periods and $0.3 million and $0.1 million for the six-month periods ended June 30, 2014 and 2013, respectively.