PREFERRED STOCK AND TEMPORARY EQUITY -Schedule of Liabilities with Unobservable Inputs (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Level Three Roll-Forward
Balance at beginning of period	$ 2,245,408	$ 4,365,992
Change in fair value of warrants	(763,716)	(2,120,584)
Balance at end of period	$ 1,481,692	$ 2,245,408