FIXED ASSETS, NET (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	$ 65,237,652	$ 62,316,808
Less accumulated depreciation	(16,617,824)	(12,286,874)
Fixed assets, net	48,619,828	50,029,934
Equipment
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	$ 38,843,978	37,260,920
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Useful life	7 years
Fixed assets, at cost	$ 108,896	108,896
Leasehold improvements
Property, Plant and Equipment [Line Items]
Useful life	15 years
Fixed assets, at cost	$ 2,323,356	2,303,156
Office equipment
Property, Plant and Equipment [Line Items]
Useful life	5 years
Fixed assets, at cost	$ 1,048,313	713,095
Vehicles
Property, Plant and Equipment [Line Items]
Useful life	5 years
Fixed assets, at cost	$ 7,175,147	6,702,093
Building
Property, Plant and Equipment [Line Items]
Useful life	20 years
Fixed assets, at cost	$ 274,203
Construction in progress
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	12,612,208	12,675,648
Land
Property, Plant and Equipment [Line Items]
Fixed assets, at cost	$ 2,851,551	$ 2,553,000
Minimum | Equipment
Property, Plant and Equipment [Line Items]
Useful life	7 years
Maximum | Equipment
Property, Plant and Equipment [Line Items]
Useful life	20 years