Accrued Expenses (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Accrued Liabilities [Line Items]
Accrued interest	$ 29	$ 65
Accrued franchise and other taxes	301	484
Accrued compensation	20	190
Other accrued expenses	150	164
Total	$ 500	$ 903	[1]

[1] Derived from audited information