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STOCK-BASED COMPENSATION PLANS (Detail Textuals) (USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]      
Fair value stock option pricing model Black-Scholes option pricing model    
Capitalized stock-based compensation $ 427 $ 516 $ 178
Expected terms 4 years 4 months 24 days 4 years 2 months 12 days 4 years 2 months 12 days
Volatility rate 78.00% 78.00% 80.00%
Risk free interest rate 0.70% 1.60% 1.90%
Weighted average grant date fair value $ 4.51 $ 4.02 $ 3.07