Income Taxes (Detail) - Provision (Benefit) for Income Taxes from Continuing Operations (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 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
Current:
Federal									$ (16)	$ 0
State									29	318
Current income tax expense (benefit)									13	318
Deferred:
Federal									(642)	0
State									(85)	0
Deferred income tax expense (benefit)									(727)	0
Provision (benefit) for income taxes	$ (758)	$ 19	$ 25	$ 0	$ 166	$ 100	$ (68)	$ 120	$ (714)	$ 318