SHARE-BASED COMPENSATION - Options Activity (Details) (USD $)	9 Months Ended
	Sep. 30, 2012 number
Options activity [Roll Forward]
Options beginning	876,025
Options granted	0
Options exercised	(89,475)
Options forfeited	(10,625)
Options expired	(21,625)
Options ending	754,300
Weighted average exercise price - beginning	$ 2.84
Weighted average exercise price - options granted	$ 0
Weighted average exercise price - options exercised	$ 1.34
Weighted average exercise price - options forfeited	$ 2.60
Weighted average exercise price - options expired	$ 26.05
Weighted average exercise price - ending	$ 2.36
Weighted Average Remaining Contractual Term (Years) Options	6.3
Intrinsic Value Options	$ 3,864,841
Options vested and expected to vest	748,233
Options vested and exercisable	526,614
Weighted average exercise price options vested and expected to vest	$ 2.37
Weighted average exercise price options vested and exerciable	$ 2.74
Weighted average remaining contractual period (Years) options vested and expected to vest	6.3
Weighted average remaining contractual period (years) options vested and exercisable	6.2
Intrinsic value options vested and expected to vest	3,833,005
Intrinsic value options vested and exercisable	2,640,439
Weighted average remaining recognition period in years	0.4
Unamortized compensation expense, net of estimated forfeitures	$ 74,924