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STOCK-BASED COMPENSATION (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
STOCK BASED COMPENSATION        
Stock option expense $ 0.2 $ 0.3 $ 0.9 $ 1.0
Principal assumptions used in applying the Black-Scholes option pricing model for the awards        
Risk-free interest rate (as a percent) 1.01%   1.01% 0.50%
Volatility factor of the expected market price of common stock (as a percent) 70.00%   70.00% 66.00%
Weighted-average expected life of option 3 years 6 months 3 years 6 months 3 years 6 months 3 years 6 months
Weighted-average grant date fair value (in dollars per share) $ 1.45 $ 1.02 $ 1.45 $ 1.01
Minimum
        
Principal assumptions used in applying the Black-Scholes option pricing model for the awards        
Risk-free interest rate (as a percent)   0.50%    
Volatility factor of the expected market price of common stock (as a percent)   66.00%    
Maximum
        
Principal assumptions used in applying the Black-Scholes option pricing model for the awards        
Risk-free interest rate (as a percent)   0.86%    
Volatility factor of the expected market price of common stock (as a percent)   69.00%    
Certain employees and directors
        
STOCK BASED COMPENSATION        
Stock options granted (in shares)   1.7 1.7 1.7
Exercise price of options granted (in dollars per share)   $ 2.25 $ 2.90 $ 2.25
Vesting period of options     3 years  
Exercisable period of options     5 years