Deferred Revenue - Summary of Deferred Revenue (Detail) - USD ($)	Sep. 30, 2015	Dec. 31, 2014
Deferred Revenue Arrangement [Line Items]
Deferred Oil Exploration Lease Revenue	$ 1,192,197	$ 1,354,873
Deferred Land Sale Revenue		87,581
Prepaid Rent	771,304	674,165
Other Deferred Revenue	276,915	392,584
Total Deferred Revenue	$ 2,240,416	2,718,543
Escrow Reserve, Container Store Loan [Member]
Deferred Revenue Arrangement [Line Items]
Escrow Reserve		144,124
Escrow Reserve, Plantation Oaks Loan [Member]
Deferred Revenue Arrangement [Line Items]
Escrow Reserve		$ 65,216