Quarterly Financial Data (Unaudited) - Additional Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended			3 Months Ended		9 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2013 Restatement Adjustment [Member]	Sep. 30, 2012 Restatement Adjustment [Member]	Sep. 30, 2013 Restatement Adjustment [Member]	Sep. 30, 2012 Restatement Adjustment [Member]
Cost of operations									$ 37,618	$ 37,678	$ 37,526	$ 300	$ 300	$ 800	$ 900
Gross profit	3,818	1,973	2,552	3,199	3,947	3,282	2,754	3,316	11,542	13,299	13,556	(300)	(300)	(800)	(900)
Selling, general and administrative expenses									20,273	19,543	21,293	30	(70)	(30)	(200)
Other (expense) income, net									(399)	(33)	(39)	50	60	200	200
(Loss) income from continuing operations	(1,487)	(3,564)	(3,177)	(2,027)	(1,059)	(1,318)	(2,614)	(2,086)	(10,255)	(7,077)	(7,802)	300	100	600	600
Income from discontinued operations	$ (512)	$ 1,850	$ (1,825)	$ (533)	$ (5,678)	$ (875)	$ (2,916)	$ (1,052)				$ 300	$ 100	$ 600	$ 600