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Note 8 - Property and Equipment (Tables)
9 Months Ended
Sep. 30, 2015
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
September 30, 2015
   
December 31, 2014
 
   
(In thousands)
 
Property and equipment
  $ 34,278     $ 34,732  
Accumulated depreciation
    (23,117 )     (22,589 )
Property and equipment, net
  $ 11,161     $ 12,143