NOTE 10 - STOCK-BASED COMPENSATION - (Table 1) (Detail) (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]
Weighted average grant date fair value per share of option granted (in dollars per share)	$ 7.08	$ 9.53	$ 6.28
Significant weighted average assumptions used in calculating fair value:
Expected term	6 years 7 months 10 days	6 years 3 months 25 days	6 years 5 months 26 days
Expected annual volatility	58.00%	60.00%	59.00%
Risk-free interest rate	1.38%	1.38%	1.40%