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Inventories
12 Months Ended
Dec. 31, 2014
Inventory Disclosure [Abstract]  
Inventories
5. Inventories

A summary of inventories follows:

         
(In thousands)   December 31,
    2014   2013
Raw materials   $ 8,465     $ 12,852  
Work in progress     6,126       1,866  
Finished goods     4,800       5,306  
Supplies     915       1,034  
Total Inventories     20,306       21,058  
Inventory reserve     (131 )     (305 )
Net Inventories   $ 20,175     $ 20,753