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FAIR VALUE (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 1 Months Ended 2 Months Ended 12 Months Ended
Feb. 28, 2013
Dec. 31, 2011
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Jan. 24, 2013
Feb. 02, 2012
Nov. 08, 2011
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Common stock warrant, common stock called     2,220,281     691,656 823,333  
Common stock warrants issued 900,000   840,939 948,333        
Share price     $ 5.52     $ 6.00    
Stock options, fair value assumptions, expected life     3 years 1 month 9 days          
Term of u.s. treasury bond     3 years          
Risk-free interest rate     0.78%          
Volatility     45.00%          
Percentage of simulated equity values below the down-round financing cut-off point     45.00%          
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]                
Beginning balance       $ 0 $ 4,334     $ 10,100
Total gains or losses                
Recognized in earnings         5,766      
Reclassification to stockholders' equity due to Amendment Agreement   (10,100)            
Ending balance   0     0     10,100
Preferred Stock, Conversion Feature [Member]
                
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Fair Value Assumptions, Discount Rate         15.00%      
Fair value assumptions, exercise price   $ 0.39     $ 0.39      
Fair value assumptions, risk free interest rate, basis term       3 years        
Term of u.s. treasury bond       4 years        
Risk-free interest rate         0.65%      
Volatility         50.00%      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]                
Beginning balance       0 1,983     7,300
Total gains or losses                
Recognized in earnings         5,317      
Reclassification to stockholders' equity due to Amendment Agreement   (7,300)            
Ending balance   0     0     7,300
Liability
                
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]                
Beginning balance     900          
Total gains or losses                
Recognized in earnings     (300)          
Ending balance     600          
Preferred Stock Warrant Liability [Member]
                
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Fair value assumptions, exercise price   $ 2.32     $ 2.32      
Fair value assumptions, risk free interest rate, basis term       1 year        
Term of u.s. treasury bond       1 year        
Risk-free interest rate         0.25%      
Volatility         50.00%      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]                
Beginning balance       0 2,351     2,800
Total gains or losses                
Recognized in earnings         449      
Reclassification to stockholders' equity due to Amendment Agreement   (2,800)            
Ending balance   $ 0     $ 0     $ 2,800
Minimum
                
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Common stock warrant, common stock called     948,333          
Term of u.s. treasury bond     3 years          
Maximum
                
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Common stock warrant, common stock called     1,097,600          
Term of u.s. treasury bond     5 years