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2. Inventories
3 Months Ended
Jun. 30, 2014
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]
2. Inventories

The components of inventories are:

   
June 30,
   
December 31,
   
2014
   
2013
   
(In thousands)
           
Raw materials and purchased component parts
  $ 8,118     $ 7,263
Work-in-process
    1       31
Finished goods
    5,889       6,215
    $ 14,008     $ 13,509