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FAIR VALUE MEASUREMENTS (Details 5) (Derivative liabilities, USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Derivative liabilities
 
Changes in Level 3 Recurring Fair Value Measurements  
Fair value of derivative liabilities at the beginning of the period $ 64
Total Unrealized Gain Included in Earnings, net (13)
Fair value of derivative liabilities at the end of the period 51
Change in Unrealized Gain Related to Financial Instruments Held at the end of the period $ (13)