SHARE-BASED COMPENSATION - Options Activity (Details)	12 Months Ended
	Dec. 31, 2017 USD ($) $ / shares shares
Options activity [Roll Forward]
Options beginning	329,562
Options granted	0
Options assumed in Merger	686,213
Options exercised	(8,250)
Options forfeited	(123,303)
Options expired	(875)
Options ending	883,347
Weighted average exercise price - beginning | $ / shares	$ 1.91
Weighted average exercise price - options exercised | $ / shares	5.05
Weighted average exercise price - options forfeited | $ / shares	13.83
Weighted average excercise price - options assumed in merger | $ / shares	4.33
Weighted average exercise price - options expired | $ / shares	10.21
Weighted average exercise price - ending | $ / shares	$ 8.38
Weighted Average Remaining Contractual Term (Years) Options	2 years 2 months 12 days
Intrinsic Value Options | $	$ 1,243,893
Options vested and expected to vest	883,347
Options vested and exercisable	883,347
Weighted average exercise price options vested and expected to vest | $ / shares	$ 8.38
Weighted average exercise price options vested and exerciable | $ / shares	$ 8.38
Weighted average remaining contractual period (Years) options vested and expected to vest	2 years 2 months 12 days
Weighted average remaining contractual period (years) options vested and exercisable	2 years 2 months 12 days
Intrinsic value options vested and expected to vest | $	$ 1,243,893
Intrinsic value options vested and exercisable | $	$ 1,243,893
Weighted average remaining recognition period in years	0 years
Unamortized compensation expense, net of estimated forfeitures | $	$ 0