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Note 6 - Property and Equipment
3 Months Ended
Mar. 31, 2013
Property, Plant and Equipment Disclosure [Text Block]
6.           PROPERTY AND EQUIPMENT

   
March 31, 2013
   
December 31, 2012
 
   
(In thousands)
 
Property and equipment
  $ 31,564     $ 31,191  
Accumulated depreciation
    (19,372 )     (18,698 )
Property and equipment, net
  $ 12,192     $ 12,493