SHARE-BASED COMPENSATION - Options Activity (Details)	12 Months Ended
	Dec. 31, 2016 USD ($) $ / shares shares
Options activity [Roll Forward]
Options beginning	466,925
Options granted	0
Options exercised	(134,238)
Options forfeited	0
Options expired	(3,125)
Options ending	329,562
Weighted average exercise price - beginning | $ / shares	$ 1.93
Weighted average exercise price - options exercised | $ / shares	1.98
Weighted average exercise price - options forfeited | $ / shares	0
Weighted average exercise price - options expired | $ / shares	0
Weighted average exercise price - ending | $ / shares	$ 1.91
Weighted Average Remaining Contractual Term (Years) Options	2 years 1 month 6 days
Intrinsic Value Options | $	$ 4,412,386
Options vested and expected to vest	329,562
Options vested and exercisable	329,562
Weighted average exercise price options vested and expected to vest | $ / shares	$ 1.91
Weighted average exercise price options vested and exerciable | $ / shares	$ 1.91
Weighted average remaining contractual period (Years) options vested and expected to vest	2 years 1 month 6 days
Weighted average remaining contractual period (years) options vested and exercisable	2 years 1 month 6 days
Intrinsic value options vested and expected to vest | $	$ 4,412,386
Intrinsic value options vested and exercisable | $	$ 4,412,386
Weighted average remaining recognition period in years	0 years
Unamortized compensation expense, net of estimated forfeitures | $	$ 3,909