EQUITY (Tables)

12 Months Ended

Dec. 31, 2018

Equity [Abstract]

Summary of common stock activity

	Common Stock
Shares outstanding at December 31, 2016		91,846,795
Shares issued pursuant to payment of stock dividend on Series E Preferred		585,058
Shares issued pursuant to payment of stock dividend on Series F Preferred		822,122
Shares issued pursuant to payment of stock dividend on Series G Preferred		135,855
Shares issued pursuant to cashless warrants exercised		409,002
Shares issued pursuant to option exercises		369,004
Shares outstanding at December 31, 2017		94,167,836
Shares issued pursuant to payment of stock dividend on Series A Preferred		3,074,008
Shares issued as payment of stock dividend on Series C Preferred		354,632
Shares issued pursuant to conversion of Series A Preferred		391,304
Shares issued pursuant to option exercises		235,852
Shares outstanding at December 31, 2018		98,223,632

Summary of warrant activity

	Warrants			Weighted-  Average  Exercise Price
Balance at December 31, 2016		175,000		$	0.84
Granted		80,000		$	1.13
Expired / Canceled		(25,000	)	$	1.10
Exercised		—		$	—
Balance at December 31, 2017		230,000		$	0.91
Granted		1,583,856		$	0.08
Expired / Canceled		—		$	—
Exercised		—		$	—
Balance at December 31, 2018		1,813,856		$	0.19