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FAIR VALUE MEASUREMENTS (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Jun. 30, 2012
Dec. 31, 2011
Assets:        
Cash and equivalents - United States $ 2,558 $ 4,162 $ 4,983 $ 4,880
Liabilities:        
Warrant liability (1) 81 [1] 85 [1]    
Level 1 [Member]
        
Assets:        
Cash and equivalents - United States 2,558 4,162    
Liabilities:        
Warrant liability (1)    [1]    [1]    
Level 2 [Member]
        
Assets:        
Cash and equivalents - United States          
Liabilities:        
Warrant liability (1)    [1]    [1]    
Level 3 [Member]
        
Assets:        
Cash and equivalents - United States          
Liabilities:        
Warrant liability (1) $ 81 [1] $ 85 [1]    
[1] Gains and losses for the periods related to the revaluation of equity based liabilities. These gains or losses are included in our consolidated statements of operations