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Note 6 - Construction Joint Ventures (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Condensed Balance Sheet [Table Text Block]

		As of December 31,
			2012				2011
Total combined:
Current assets		$	92,102			$	108,458
Less current liabilities			(48,002	)			(86,023	)
Net assets		$	44,100			$	22,435
Backlog		$	213,924			$	539,844

		As of December 31,
			2012				2011
Sterling’s noncontrolling interest in backlog		$	77,222			$	127,130
Sterling’s receivables from and equity in net assets of construction joint ventures		$	11,005			$	6,057

Schedule of Condensed Income Statement [Table Text Block]

		Years Ended December 31,
			2012				2011				2010
Total combined:
Revenues		$	438,756			$	440,085			$	302,289
Income before tax		$	95,765			$	46,683			$	24,573
Sterling’s noncontrolling interest:
Share of revenues		$	82,519			$	62,763			$	37,684
Share of income before tax		$	12,424			$	6,417			$	3,018