WARRANTS FOR COMMON STOCK (Warrant Activity) (Details) - shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Class of Warrant or Right [Line Items]
Warrant outstanding beginning balance	12,088,080	13,781,921
Warrants exercised		(1,470,027)
Warrants expired		(223,814)
Warrant outstanding ending balance	11,293,211	12,088,080
June 2017 Warrants Pursuant to Warrant Exercise Agreements [Member]
Class of Warrant or Right [Line Items]
Warrants issued		11,293,211
Warrants exercised		(11,293,211)
Warrants exercised in 2018 [Member]
Class of Warrant or Right [Line Items]
Warrants exercised	(794,869)