SHARE-BASED COMPENSATION - Options Activity (Details) (USD $)	12 Months Ended
	Dec. 31, 2012 number
Options activity [Roll Forward]
Options beginning	876,025
Options granted	0
Options exercised	101,350
Options forfeited	12,500
Options expired	22,375
Options ending	739,800
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	$ 2.41
Weighted average exercise price - options expired	$ 25.23
Weighted average exercise price - ending	$ 2.38
Weighted Average Remaining Contractual Term (Years) Options	6.0
Intrinsic Value Options	$ 3,868,897
Options vested and expected to vest	737,780
Options vested and exercisable	516,239
Weighted average exercise price options vested and expected to vest	$ 2.38
Weighted average exercise price options vested and exerciable	$ 2.79
Weighted average remaining contractual period (Years) options vested and expected to vest	6.0
Weighted average remaining contractual period (years) options vested and exercisable	6.0
Intrinsic value options vested and expected to vest	3,858,687
Intrinsic value options vested and exercisable	2,628,917
Weighted average remaining recognition period in years	0.1
Unamortized compensation expense, net of estimated forfeitures	$ 32,617