Quarterly Results (unaudited) (Tables)

12 Months Ended

Dec. 31, 2012

Quarterly Results (unaudited)

Schedule of quarterly results

	March 31			June 30		September 30		December 31
Year Ended December 31, 2012
Revenues	$	64,084,000		$	58,355,000	$	54,914,000	$	48,559,000
Operating earnings (loss)	$	4,984,000		$	3,463,000	$	2,308,000	$	(484,000	)
Net earnings (loss)	$	2,371,000		$	1,817,000	$	1,147,000	$	(528,000	)
Net earnings (loss) per share-basic	$	0.07		$	0.06	$	0.04	$	(0.02	)
Net earnings (loss) per share-diluted	$	0.07		$	0.06	$	0.04	$	(0.02	)
Year Ended December 31, 2011
Revenues	$	59,406,000		$	58,815,000	$	60,102,000	$	61,619,000
Operating earnings	$	1,133,000		$	2,895,000	$	3,924,000	$	4,135,000
Net (loss) earnings	$	(38,000	)	$	1,238,000	$	2,039,000	$	2,120,000
Net earnings per share-basic	$	—		$	0.04	$	0.06	$	0.07
Net earnings per share-diluted	$	—		$	0.04	$	0.06	$	0.07