OTHER ACCRUED LIABILITIES (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
OTHER ACCRUED LIABILITIES
Prepayments from customers	$ 649,802	$ 355,742
Accrued property taxes	220,856	14,681
Accrued professional fees	158,153	231,826
Other accrued expenses	64,715	55,674
Other accrued liabilities	$ 1,093,526	$ 657,923