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

12 Months Ended

Dec. 31, 2013

Noncontrolling Interest [Abstract]

Schedule of Components of Agreement Obligation [Table Text Block]

		Years Ended December 31,
		2013				2012
Member’s interest subject to mandatory redemption		$	20,000			$	-
Undistributed earnings attributable to this interest			3,989				-
Total liability		$	23,989			$	-

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

Assets acquired and liabilities assumed:
Current assets, including cash of $4,662		$	8,839
Current liabilities			(5,708	)
Working capital acquired			3,131
Property and equipment			2,018
Other			9
Total tangible net assets acquired at fair value			5,158
Goodwill			4,803
Total consideration			9,961
Fair value of earn-out			(2,370	)
Cash paid, net of $409 receivable from seller		$	7,591

Assets acquired and liabilities assumed:
Current assets, including cash of $654		$	3,207
Current liabilities			(2,464	)
Working capital acquired			743
Property and equipment			708
Debt due to noncontrolling interest owner			(500	)
Total tangible net assets acquired at fair value			951
Goodwill			1,502
Total consideration			2,453
Fair value of noncontrolling owners’ interest in Myers			(1,226	)
Cash paid		$	1,227

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

		Years Ended December 31,
		2013				2012				2011
Balance, beginning of period		$	20,046			$	18,375			$	28,724
Net income attributable to noncontrolling interest included in liabilities			2,024				16,941				935
Net income attributable to noncontrolling interest included in equity			1,879				1,068				261
Accretion of interest on puts			-				993				881
Change in fair value of RLW put/call			(59	)			3,797				1,268
Change in fair value of RHB put/call			1,875				2,473				1,054
Change due to the RHB amendment			(18,103	)			-				-
Acquisition by Sterling of RHB noncontrolling interest			-				-				(8,205	)
Noncontrolling interest associated with Myers acquisition			-				-				1,227
Issuance of noncontrolling interest in RHB in exchange for net assets of acquired companies			-				9,767				-
Distributions to noncontrolling interests owners			(3,056	)			(10,185	)			(7,809	)
Acquisition of RLW noncontrolling interest			(509	)			(23,144	)			-
Other			-				(39	)			39
Balance, end of period		$	4,097			$	20,046			$	18,375