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Note 9 - Acquisitions and Subsidiaries and Joint Ventures with Noncontrolling Owners' Interests (Tables)
3 Months Ended
Mar. 31, 2014
Noncontrolling Interest [Abstract]  
Financial Instruments Subject to Mandatory Redemption Disclosure [Table Text Block]
   
March 31,
2014
   
December 31,
2013
 
Member’s interest subject to mandatory redemption
  $ 20,000     $ 20,000  
Undistributed earnings attributable to this interest
    4,169       3,989  
     Total liability
  $ 24,169     $ 23,989  
Schedule of Changes in Noncontrolling owner's Interest in Subsidiaries and Joint Ventures [Table Text Block]
   
Three Months Ended
March 31,
 
   
2014
   
2013
 
Balance, beginning of period
  $ 4,097     $ 20,046  
Net loss attributable to noncontrolling interest included in liabilities
    -       (25 )
Net income attributable to noncontrolling interest included in equity
    275       186  
Change in fair value of RLW put/call
    -       (58 )
Change in fair value of RHB obligation
    -       2,981  
Distributions to noncontrolling interest owners
    (994 )     -  
Balance, end of period
  $ 3,378     $ 23,130