RESTRICTED CASH (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	$ 2,052	$ 2,047
Other Noncurrent Assets [Member]
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	1,821	1,814
Other Noncurrent Assets [Member] | Collateral accounts
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	619	619
Other Noncurrent Assets [Member] | Rental deposits
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	1,202	1,195
Prepaid Expenses and Other Current Assets [Member]
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	231	233
Prepaid Expenses and Other Current Assets [Member] | Others
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	163	172
Prepaid Expenses and Other Current Assets [Member] | Client guarantees
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash	$ 68	$ 61