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Note 9 - Acquisitions and Subsidiaries and Joint Ventures with Noncontrolling Owners' Interests (Tables)
6 Months Ended
Jun. 30, 2014
Noncontrolling Interest [Abstract]  
Financial Instruments Subject to Mandatory Redemption Disclosure [Table Text Block]
   
June 30,
2014
   
December 31,
2013
 
Member’s interest subject to mandatory redemption
  $ 20,000     $ 20,000  
Undistributed earnings attributable to this interest
    5,499       3,989  
Earnings distributed
    (1,200 )     -  
     Total liability
  $ 24,299     $ 23,989  
Schedule of Changes in Noncontrolling owner's Interest in Subsidiaries and Joint Ventures [Table Text Block]
   
Six Months Ended
June 30,
 
   
2014
   
2013
 
Balance, beginning of period
  $ 4,097     $ 20,046  
Net income attributable to noncontrolling interest included in liabilities
    -       288  
Net income attributable to noncontrolling interest included in equity
    1,520       678  
Change in fair value of RLW put/call
    -       (59 )
Change in fair value of RHB obligation
    -       666  
Distributions to noncontrolling interest owners
    (1,190 )     (2,735 )
RLW Put/Call Payout
    -       (509 )
Balance, end of period
  $ 4,427     $ 18,375