Mortgage and Loans Payable - Schedule of Consolidated Debt (Detail) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Company's consolidated debt	$ 13,676,176	$ 22,031,808
Term Loan [Member]
Debt Instrument [Line Items]
Company's consolidated debt	4,500,000	5,000,000
Project Term Loan [Member]
Debt Instrument [Line Items]
Company's consolidated debt	7,436,514	10,000,000
Face Value $8,000,000, 9% Convertible Senior Note Payable [Member]
Debt Instrument [Line Items]
Company's consolidated debt		4,039,446
Mortgage Payable [Member]
Debt Instrument [Line Items]
Company's consolidated debt	1,739,662	1,816,286
Face Value $10,000,000, 8% Convertible Senior Note Payable [Member]
Debt Instrument [Line Items]
Company's consolidated debt		$ 1,176,076