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SUMMARY OF PRINCIPAL ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2015

SUMMARY OF PRINCIPAL ACCOUNTING POLICIES [Abstract]

Schedule of Accounts Receivable

Accounts		December 31,
receivable		2014				2015
Customer C		$	2,213,393			$	*
Customer J		$	1,578,947			$	2,996,042
Customer M		$	1,330,145			$	*
Customer H		$	1,071,415			$	6,354,510
Customer N		$	*			$	2,315,035
Customer B		$	*			$	2,299,732

*	Represents less than 10%

Schedule of Property, Plant and Equipment, Depreciation, Estimated Lives

Buildings and plant	30 years
Machinery and equipment	15 years
Furniture, fixtures and equipment	3-5 years
Motor vehicles	6 years

Schedule of Share-Based Compensation Expenses

		Year ended December 31,
		2013				2014				2015
Selling, general and administrative expenses		$	1,743,768			$	1,544,078			$	3,323,948
Research and development expenses			60,987				12,310				—
Cost of sales			76,646				236,431				364,003
Total		$	1,881,401			$	1,792,819			$	3,687,951