Selected Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2012

Selected Quarterly Financial Data (Unaudited)

Schedule of selected quarterly financial data

The following selected quarterly financial data are in thousands of dollars, except share data:

	Quarter			Quarter			Quarter			Quarter
	Ended			Ended			Ended			Ended
	March 31,			June 30,			September 30,			December 31,
2011
Revenues	$	107,729		$	106,635		$	106,847		$	100,051
Net (loss) income	(908		)	(2,924		)	2,044			1,157
Net (loss) income attributable to common stockholders	(2,346		)	(4,361		)	607			(275		)
Per common share (basic and diluted)	$	(0.09	)	$	(0.17	)	$	0.02		$	(0.01	)
2012
Revenues	$	94,695		$	92,784		$	91,230		$	85,980
Net loss	(2,097		)	(101,661		)	(1,961		)	(28,568		)
Net loss attributable to common stockholders	(3,529		)	(103,093		)	(3,392		)	(29,830		)
Per common share (basic and diluted)	$	(0.14	)	$	(4.08	)	$	(0.13	)	$	(1.14	)