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Note 15 - Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2012
Operating Leases of Lessee Disclosure [Table Text Block]
   
Minimum Rental
 
   
(In thousands)
 
Years ended December 31:
     
2013
  $ 3,606  
2014
    3,428  
2015
    2,968  
2016
    2,883  
2017
    2,722  
Thereafter
    16,389  
Total minimum payments required
  $ 31,996