PREPAID EXPENSES AND OTHER CURRENT ASSETS (Tables)

12 Months Ended

Dec. 31, 2012

PREPAID EXPENSES AND OTHER CURRENT ASSETS [Abstract]

Prepaid Expenses and Other Current Assets

	As of December 31,
	2011		2012
Prepayment to service providers	$	2,064,174	$	1,990,015
Employee advances		665,587		685,134
Other deposits		1,143,509		1,225,431
Interest receivables		267,947		771,849
Other current assets		4,808		45,245
	$	4,146,025	$	4,717,674