NET LOSS PER SHARE (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from earnings per share calculation	24,945,040	28,218,470	24,945,040	28,218,470
Warrants [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from earnings per share calculation	1,832,571	3,007,571	1,832,571	3,007,571
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from earnings per share calculation	22,072,469	25,210,899	22,072,469	25,210,899
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from earnings per share calculation	1,040,000		1,040,000