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Note 2 - Acquisitions and Subsidiaries and Joint Ventures with Noncontrolling Owners' Interests (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Schedule of Components of Agreement Obligation [Table Text Block]

		Years Ended December 31,
		2015				2014
Member’s interest subject to mandatory redemption		$	20,000			$	20,000
Undistributed earnings attributable to this interest			9,836				6,079
Earnings distributed			(6,014	)			(3,200	)
Total liability		$	23,822			$	22,879

		Years Ended December 31,
		2015				2014
Member’s interest subject to mandatory redemption		$	20,000			$	--
Undistributed earnings attributable to this interest			6,616				--
Total liability		$	26,616			$	--

Schedule of Changes in Noncontrolling Interests and Joint Ventures [Table Text Block]

		Years Ended December 31,
		2015				2014				2013
Balance, beginning of period		$	7,462			$	4,097			$	20,046
Net income attributable to noncontrolling interest included in liabilities			--				--				2,024
Net income attributable to noncontrolling interest included in equity			3,216				4,556				1,879
Change in fair value of RLW put/call			--				--				(59	)
Change in fair value of RHB put/call			--				--				1,875
Change due to the Myers amendment			(7,367	)			--				--
Change due to the RHB amendment			--				--				(18,103	)
Distributions to noncontrolling interests owners			(3,402	)			(1,191	)			(3,056	)
Acquisition of RLW noncontrolling interest			--				--				(509	)
Balance, end of period		$	(91	)		$	7,462			$	4,097