ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES

12 Months Ended

Dec. 31, 2013

ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES [Abstract]

ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES

15. ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES

Accrued expenses and other current liabilities consist of the following:

	As of December 31,
	2012		2013
Accrued welfare benefits	$	680,994	$	167,290
Accrued payroll and bonus		2,233,130		4,126,279
Advance from customers		1,881,043		1,149,073
Accrued professional service fees		2,500,505		2,351,363
Accrued marketing expense		1,658,828		6,393,334
Other tax payables		3,245,845		2,148,117
Acquisition payable		5,880,600		2,880,600
Others		195,420		8,667
	$	18,276,365	$	19,224,723

The balance of acquisition payable as of December 31, 2012 and 2013 represented the outstanding consideration in relation to the acquisition of Noumena (see Note 3).