LONG-TERM BANK LOANS (Details Textual) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Dec. 31, 2008 2008 Loans [Member]	Dec. 31, 2011 2011 Loans [Member]
Debt Instrument, Face Amount			$ 30,000	$ 23,750
Compensating Bank Deposit	9,922	13,456
Compensating Bank Deposit Included in Short-term Deposit	4,343	4,205
Compensating Bank Deposit Included in Long-term Deposit	$ 5,579	$ 9,251

Face (par) amount of debt instrument at time of issuance.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant