RESTRICTED CASH (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	$ 912	$ 1,595
Prepaid Expenses and Other Current Assets
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	191	175
Prepaid Expenses and Other Current Assets | Client guarantees
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	77	52
Prepaid Expenses and Other Current Assets | Others
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	114	123
Other Noncurrent Assets
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	721	1,420
Other Noncurrent Assets | Collateral accounts
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	228	618
Other Noncurrent Assets | Rental deposits
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	$ 493	$ 802