FAIR VALUE MEASUREMENTS (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Reconciliation of the beginning and ending balances for assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs    
Derivative loss $ 1,741 $ (957)
Goodwill impairment charge   1,774
Convertible debt issued in 2010
    
Reconciliation of the beginning and ending balances for assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs    
Conversion price of convertible notes into common stock (in dollars per share) $ 3.92  
Recurring basis | Level 3:
    
FAIR VALUE MEASUREMENTS    
Derivative Liability 3,630 1,889
Reconciliation of the beginning and ending balances for assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs    
Beginning Balance 1,889  
Derivative loss 1,741  
Ending Balance 3,630  
Recurring basis | Total
    
FAIR VALUE MEASUREMENTS    
Derivative Liability $ 3,630 $ 1,889