PREPAID EXPENSES AND OTHER CURRENT ASSETS (Tables)

12 Months Ended

Dec. 31, 2015

PREPAID EXPENSES AND OTHER CURRENT ASSETS [Abstract]

Schedule of Prepaid Expenses and Other Current Assets

	As of December 31,
	2014		2015
Prepayment to service providers	$	9,561,090	$	6,821,978
Employee advances		332,923		224,116
Other deposits		1,134,027		1,344,705
Interest receivables		5,063,320		8,425,322
VAT recoverable		2,174,745		3,881,988
Other current assets		803,799		4,197,446
	$	19,069,904	$	24,895,555