Income Taxes - Components of Income Tax Benefit (Provision) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current:
Federal	$ 68	$ (51)	$ 231
State	(297)	(196)	(264)
Deferred:
State	112	9	36
Income Tax Benefit (Provision), Continuing Operations	$ (117)	$ (238)	$ 3