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Note 13 - Operating Leases (Tables)
 12 Months Ended
Dec. 31, 2012
Operating Leases of Lessee Disclosure [Table Text Block]
Years Ending December 31,
   
2013                                                   
  $ 941  
2014                                                   
    688  
2015                                                   
    635  
2016                                                   
    580  
2017                                                   
    548  
Thereafter                                                   
    2,614  
Total future minimum rental payments
  $ 6,006