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SHARE-BASED COMPENSATION - Options Activity (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Options activity [Roll Forward]  
Options beginning 557,550
Options granted 0
Options exercised (15,750)
Options forfeited 0
Options expired (4,500)
Options ending 537,300
Weighted average exercise price - beginning $ 2.58
Weighted average exercise price - options granted $ 0
Weighted average exercise price - options exercised $ 1.66
Weighted average exercise price - options forfeited $ 0
Weighted average exercise price - options expired $ 22.17
Weighted average exercise price - ending $ 2.44
Weighted Average Remaining Contractual Term (Years) Options 4 years 9 months 18 days
Intrinsic Value Options $ 4,307,640
Options vested and expected to vest 536,846
Options vested and exercisable 532,300
Weighted average exercise price options vested and expected to vest $ 2.44
Weighted average exercise price options vested and exerciable $ 2.38
Weighted average remaining contractual period (Years) options vested and expected to vest 4 years 9 months 18 days
Weighted average remaining contractual period (years) options vested and exercisable 4 years 9 months 18 days
Intrinsic value options vested and expected to vest 4,307,026
Intrinsic value options vested and exercisable 4,300,890
Weighted average remaining recognition period in years 3 years 4 months 24 days
Unamortized compensation expense, net of estimated forfeitures $ 22,331