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Inventories (Tables)
6 Months Ended
Jun. 30, 2015
Inventory Disclosure [Abstract]  
Schedule of inventory

Inventories consist of the following at:

 

 

(Dollars in thousands)

  June 30, 2015     December 31, 2014  
                 
Finished goods   $ 267     $ 314  
Work in process     146       161  
Raw materials     302       298  
  Total   $ 715     $ 773