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17. Selected Quarterly Financial Information (Unaudited) (amounts in thousands, except per share data) (Tables)

12 Months Ended

Dec. 31, 2012

Quarterly Financial Information Disclosure [Abstract]

Selected Quarterly Financial Information

In the opinion of management, this unaudited information has been prepared on the same basis as the audited information and includes all adjustments (consisting of only normal recurring adjustments) necessary for the fair statement of the financial information for the periods presented.

	For the three months ended
	Mar 31, 2012			Jun 30, 2012			Sep 30, 2012		Dec 31, 2012		Total 2012 (1)
Total revenue	$	6,066		$	6,015		$	6,050	$	5,933	$	24,064
Operating (loss) income		(997	)		(643	)		99		479		(1,062	)
(Loss) income before income taxes		(1,029	)		(645	)		76		520		(1,078	)
Net (loss) income		(1,045	)		(633	)		54		629		(995	)

Per share amounts:
Net (loss) income per common share - basic	$	(0.02	)	$	(0.01	)	$	0.00	$	0.01	$	(0.01	)
Net (loss) income per common share - diluted	$	(0.02	)	$	(0.01	)	$	0.00	$	0.01	$	(0.01	)
Weighted average shares outstanding - basic		64,519			70,506			70,876		70,594		69,040
Weighted average shares outstanding - diluted		64,519			70,506			71,373		71,338		69,040

	For the three months ended
	Mar 31, 2011			Jun 30, 2011			Sep 30, 2011			Dec 31, 2011			Total 2011 (1)
Total revenue	$	6,001		$	5,893		$	5,872		$	6,104		$	23,870
Operating loss		(520	)		(1,053	)		(795	)		(908	)		(3,276	)
Loss before income taxes		(548	)		(984	)		(800	)		(924	)		(3,256	)
Net loss		(559	)		(984	)		(837	)		(1,039	)		(3,419	)

Per share amounts:
Net loss income per common share - basic and diluted	$	(0.01	)	$	(0.02	)	$	(0.01	)	$	(0.02	)	$	(0.06	)
Weighted average shares outstanding - basic and diluted		60,372			60,388			60,404			60,424			60,402