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NOTE 9 - STOCK-BASED COMPENSATION (Detail) - (Table 1) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]    
Weighted average grant date fair value per share of options granted (in Dollars per share) $ 9.53 $ 6.25
Significant weighted average assumptions used in calculating fair value:    
Expected term 6 years 3 months 26 days 6 years 5 months 27 days
Expected annual volatility 60.00% 58.00%
Risk-free interest rate 1.38% 1.40%