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INVESTMENT IN EQUITY METHOD INVESTEES (Schedule of Financial Information of Equity Method Investees) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Balance sheets      
Current assets $ 19,608 $ 24,173  
Non-current assets 18,363 13,093  
Current liabilities 528 433  
Non-current liabilities 30 30  
Results of operations      
Revenues 4,904 4,823 6,255
Gross profit 2,700 2,342 2,134
Loss from operations (555) (3,816) (2,666)
Net loss $ (9) $ (2,782) $ (2,293)