DEFERRED REVENUE - Summary of Deferred Revenue (Details) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
DEFERRED REVENUE
Deferred Oil Exploration Lease Revenue	$ 185,648	$ 585,675
Deferred Revenue on Land Sales	831,320	831,320
Interest Reserve from Commercial Loan Investment	973,333
Prepaid Rent	1,008,167	1,621,620
Tenant Contributions	3,980,349	4,104,151
Other Deferred Revenue	324,593	58,838
Deferred Revenue, Total	$ 7,303,410	$ 7,201,604