Acquisitions (Tables)

6 Months Ended

Jun. 30, 2012

Business Combinations [Abstract]

Schedule of unaudited pro forma consolidated results

	Unaudited Pro Forma Consolidated Results
	For Three Months Ended			For Six Months Ended
(in thousands, except share data)	June 30, 2011			June 30, 2011
Revenue	$	3,914		$	7,619
Net loss before non-controlling interests	$	(357	)	$	(7,487	)
Net income attributable to non-controlling interests	$	(142	)	$	(345	)
Net loss attributable to controlling interests	$	(499	)	$	(7,832	)
Net loss per share (basic)	$	(0.01	)	$	(0.17	)
Net loss per share (diluted)	$	(0.01	)	$	(0.17	)