Income Taxes - Income Tax Benefit (Provision) Pertaining to Income from Continuing Operations and Gain on Sale of Real Estate (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Tax (Provision) Benefit at Federal Rate Related to Continuing Operations	$ (532)	$ 286	$ 557
State Tax Provision, Net of Federal Benefit	(214)	(236)	(244)
Non-deductible Permanent Items, Net	1	21	32
IRS Audit Adjustment and Accrued Interest	0	58	(5,523)
Change in Valuation Allowance	1,133	(388)	(166)
Foreign Taxes, Net	0	0	(10)
Other	(626)	262	(168)
Income Tax Benefit (Provision), Continuing Operations	$ (238)	$ 3	$ (5,522)