Mortgage and Loans Payable - Schedule of Consolidated Debt (Parenthetical) (Detail) (USD $)	May 10, 2012	Jun. 30, 2014 Face Value $10,000,000, 8% Convertible Senior Note Payable [Member]	Dec. 31, 2013 Face Value $10,000,000, 8% Convertible Senior Note Payable [Member]	Jun. 30, 2014 Face Value $8,000,000, 9% Convertible Senior Note Payable [Member]	Dec. 31, 2013 Face Value $8,000,000, 9% Convertible Senior Note Payable [Member]
Debt Instrument [Line Items]
Company's consolidated debt, face amount	$ 8,000,000	$ 10,000,000	$ 10,000,000	$ 8,000,000	$ 8,000,000
Company's consolidated debt, interest rate		8.00%	8.00%	9.00%	9.00%