SHARE-BASED COMPENSATION 2 (Details) (USD $)	9 Months Ended
	Sep. 30, 2011 number
Options activity [Roll Forward]
Options beginning	983,150
Options granted	0
Options exercised	(51,750)
Options forfeited	(24,530)
Options expired	(13,345)
Options ending	893,525
Weighted average exercise price - beginning	$ 3.02
Weighted average exercise price - options granted	$ 0
Weighted average exercise price - options exercise	$ 1.34
Weighted average exercise price - options forfeited	$ 1.52
Weighted average exercise price - options expired	$ 25.62
Weighted average exercise price - ending	$ 2.82
Weighted Average Remaining Contractual Term (Years) Options	7.2
Intrinsic Value Options	$ 3,212,430
Options vested and expected to vest	863,656
Options vested and exercisable	397,484
Weighted average exercise price options vested and expected to vest	$ 2.86
Weighted average exercise price options vested and exerciable	$ 4.29
Weighted average remaining contractual period (Years) options vested and expected to vest	7.2
Weighted average remaining contractual period (years) options vested and exercisable	7.0
Intrinsic value options vested and expected to vest	3,101,022
Intrinsic value options vested and exercisable	1,353,818
Weighted average remaining recognition period in years	1.4
Unamortized compensation expense, net of estimated forfeitures	$ 276,376