ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Tables)

12 Months Ended

Dec. 31, 2014

ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES [Abstract]

Accrued Expenses and Other Current Liabilities

	As of December 31,
	2013		2014
Accrued welfare benefits	$	167,290	$	196,455
Accrued payroll and bonus		4,126,279		5,719,423
Advance from customers		1,149,073		793,565
Accrued professional service fees		2,351,363		3,663,273
Accrued marketing expense		6,393,334		5,545,844
Other tax payables		2,148,117		-
Acquisition payable		2,880,600		-
Others		8,667		661,791
	$	19,224,723	$	16,580,351