SHARE-BASED COMPENSATION - Options Activity (Details) (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Options activity [Roll Forward]
Options beginning	742,550
Options granted	0
Options exercised	(143,625)
Options forfeited	(3,625)
Options expired	(6,000)
Options ending	589,300
Weighted average exercise price - beginning	$ 2.39
Weighted average exercise price - options exercised	$ 1.45
Weighted average exercise price - options forfeited	$ 1.34
Weighted average exercise price - options expired	$ 15.31
Weighted average exercise price - ending	$ 2.49
Weighted Average Remaining Contractual Term (Years) Options	5 years 6 months
Intrinsic Value Options	$ 4,407,160
Options vested and expected to vest	589,200
Options vested and exercisable	584,550
Weighted average exercise price options vested and expected to vest	$ 2.49
Weighted average exercise price options vested and exerciable	$ 2.47
Weighted average remaining contractual period (Years) options vested and expected to vest	5 years 6 months
Weighted average remaining contractual period (years) options vested and exercisable	5 years 6 months
Intrinsic value options vested and expected to vest	4,406,808
Intrinsic value options vested and exercisable	4,389,419
Weighted average remaining recognition period in years	3 months 18 days
Unamortized compensation expense, net of estimated forfeitures	6,783
Cash received from exercise price of options exercised	$ 206,000	$ 89,000