STOCK-BASED COMPENSATION (Details) (Employee Stock Option [Member], USD $)	9 Months Ended
	Sep. 30, 2013
Employee Stock Option [Member]
Options, Outstanding at beginning of year	2,568,000
Options, Granted	367,000
Options, Exercised	(63,000)
Options, Expired	(25,000)
Options, Forfeited	(53,000)
Options, Outstanding at end of period	2,794,000
Options, Exercisable at end of period	1,925,000
Weighted- Average Exercise Price, Outstanding at beginning of year	$ 7.33
Weighted- Average Exercise Price, Granted	$ 5.63
Weighted- Average Exercise Price, Exercised	$ 3.41
Weighted- Average Exercise Price, Expired	$ 5.89
Weighted- Average Exercise Price, Forfeited	$ 5.13
Weighted- Average Exercise Price, Outstanding at end of period	$ 7.24
Weighted- Average Exercise Price, Exercisable at end of period	$ 8.19
Weighted- Average Remaining Contractual Term, Outstanding at end of period	5 years
Weighted- Average Remaining Contractual Term, Exercisable at end of period	3 years
Aggregate Intrinsic Value, Outstanding at end of period	$ 2,942,000
Aggregate Intrinsic Value, Exercisable at end of period	$ 2,062,000