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Mortgage and Loans Payable - Schedule of Consolidated Debt (Parenthetical) (Detail) (USD $) | May 10, 2012 | Mar. 31, 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] | Mar. 31, 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]
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Debt Instrument [Line Items] |  |  |  |  |
Company's consolidated debt, face amount | $ 8,000,000 | $ 8,000,000 | $ 8,000,000 | $ 10,000,000 | $ 10,000,000
Company's consolidated debt, interest rate |  | 9.00% | 9.00% | 8.00% | 8.00%

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