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Note 8 - Redeemable Noncontrolling Interests (Tables)
3 Months Ended
Mar. 31, 2016
Notes Tables  
Redeemable Noncontrolling Interest [Table Text Block]
   
2016
   
2015
 
Balance at January 1,
  $ 86,709     $ 91,480  
Income
    1,078       1,522  
Distributions
    (1,082 )     (1,475 )
Balance at March 31,
  $ 86,705     $ 91,527