SHARE-BASED COMPENSATION 2 (Details) (USD $)	3 Months Ended
	Mar. 31, 2012 number
Options activity [Roll Forward]
Options beginning	876,025
Options granted	0
Options exercised	(40,400)
Options forfeited	(2,750)
Options expired	(18,750)
Options ending	814,125
Weighted average exercise price - beginning	$ 2.84
Weighted average exercise price - options granted	$ 0
Weighted average exercise price - options exercise	$ 1.34
Weighted average exercise price - options forfeited	$ 1.34
Weighted average exercise price - options expired	$ 28.71
Weighted average exercise price - ending	$ 2.33
Weighted Average Remaining Contractual Term (Years) Options	6.8
Intrinsic Value Options	$ 3,891,866
Options vested and expected to vest	799,326
Options vested and exercisable	573,689
Weighted average exercise price options vested and expected to vest	$ 2.34
Weighted average exercise price options vested and exerciable	$ 2.63
Weighted average remaining contractual period (Years) options vested and expected to vest	6.8
Weighted average remaining contractual period (years) options vested and exercisable	6.7
Intrinsic value options vested and expected to vest	3,819,377
Intrinsic value options vested and exercisable	2,707,497
Weighted average remaining recognition period in years	0.9
Unamortized compensation expense, net of estimated forfeitures	$ 114,789