RESTRICTED CASH (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	$ 876	$ 937
Prepaid Expenses and Other Current Assets
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	248	228
Prepaid Expenses and Other Current Assets | Client guarantees
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	133	118
Prepaid Expenses and Other Current Assets | Others
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	115	110
Other Noncurrent Assets
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	628	709
Other Noncurrent Assets | Collateral accounts
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	179	229
Other Noncurrent Assets | Rental deposits
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	$ 449	$ 480