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SHORT-TERM BORROWINGS (Details Textual) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2012
Revolving Credit Facility [Member]
Dec. 31, 2011
Revolving Credit Facility [Member]
Line of Credit Facility, Amount Total (in dollars)   $ 60  
Debt Instrument, Interest Rate at Period End   1.20% 1.00%
Debt Instrument, Description of Variable Rate Basis LIBOR plus 100 basis points    
Line of Credit Facility, Expiration Date Apr. 30, 2013    
Line of Credit Facility, Maximum Borrowing Capacity   60  
Line of Credit Facility, Amount Outstanding   $ 45 $ 37