FAIR VALUE OF FINANCIAL INSTRUMENTS - Measured on a Recurring Basis (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Fair value of assets
Cash Flow Hedge	$ 912,767	$ 606,621
Total		606,621
Significant Other Observable Inputs (Level 2)
Fair value of assets
Total		606,621
Interest Rate Swap
Fair value of assets
Cash Flow Hedge		606,621
Interest Rate Swap | Significant Other Observable Inputs (Level 2)
Fair value of assets
Cash Flow Hedge		$ 606,621
Recurring basis
Fair value of assets
Total	912,767
Recurring basis | Significant Other Observable Inputs (Level 2)
Fair value of assets
Total	912,767
Recurring basis | Interest Rate Swap
Fair value of assets
Cash Flow Hedge	912,767
Recurring basis | Interest Rate Swap | Significant Other Observable Inputs (Level 2)
Fair value of assets
Cash Flow Hedge	$ 912,767