STOCKHOLDERS' EQUITY AND SHARE-BASED COMPENSATION (Details 4)	6 Months Ended
	Jun. 30, 2019 $ / shares shares
Share-based Payment Arrangement [Abstract]
Warrants outstanding, beginning | shares	5,017,181
Issued | shares	2,076,922
Exercised | shares	(336,317)
Warrants outstanding, ending | shares	6,757,786
Average purchase price per share outstanding, beginning | $ / shares	$ 4.82
Issued | $ / shares	6.62
Exercised | $ / shares	4.63
Average purchase price per share outstanding, ending | $ / shares	$ 5.38