STOCK-BASED COMPENSATION (Details Textuals 1) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]
Options exercised for the purchase of common stock	250	49,193	62,725	347,845
Weighted-average exercise price	$ 5.49	$ 6.11	$ 5.61	$ 6.04