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CONCENTRATIONS AND RISKS - Additional Information (Detail) - USD ($)	3 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Concentration Risk [Line Items]
Cash balance excess of FDIC insurance limits				$ 0
Cash balance with in United States				0
China income tax
Concentration Risk [Line Items]
Cash balance excess of FDIC insurance limits	$ 28,709,891	$ 28,709,891		$ 17,632,270
China income tax \| Geographic Concentration Risk \| Assets, Total
Concentration Risk [Line Items]
Concentration of risk percentage	100.00%	100.00%	100.00%	100.00%
British Virgin Islands
Concentration Risk [Line Items]
Cash balance with in United States				$ 16,012
United States
Concentration Risk [Line Items]
Cash balance excess of FDIC insurance limits				250,000
Cash balance with in United States	$ 19,670	$ 19,670		$ 266,012