Note 12 - Net Income (Loss) per Share Attributable to Sterling Common Stockholders (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended June 30,						Six Months Ended June 30,
	2013			2012			2013			2012
Numerator:
Net income (loss) attributable to Sterling common stockholders	$	(17,025	)	$	3,287		$	(21,602	)	$	(4,215	)
Revaluation of the  of noncontrolling interest obligations reflected in retained earnings, net of tax		1,501			(777	)		(353	)		(476	)
	$	(15,524	)	$	2,510		$	(21,955	)	$	(4,691	)
Denominator:
Weighted average common shares outstanding — basic		16,630			16,360			16,613			16,341
Shares for dilutive stock options and warrants		--			84			--			--
Weighted average common shares outstanding and assumed conversions— diluted		16,630			16,444			16,613			16,341
Basic net income (loss) per share attributable to Sterling common stockholders	$	(0.93	)	$	0.15		$	(1.32	)	$	(0.29	)
Diluted net income (loss) per share attributable to Sterling common stockholders	$	(0.93	)	$	0.15		$	(1.32	)	$	(0.29	)