EQUITY (Tables)

6 Months Ended

Jun. 30, 2019

Equity [Abstract]

Summary of common stock activity

	Common Stock
Shares outstanding at December 31, 2018		98,223,632
Shares issued as payment of stock dividend on Series A Preferred		1,591,436
Shares issued as payment of stock dividend on Series C Preferred		424,738
Shares issued pursuant to option exercises		351,334
Shares issued for cash		5,954,545
Shares outstanding at June 30, 2019		106,545,685

Summary of warrant activity

	Warrants		Weighted- Average Exercise Price
Balance at December 31, 2018		1,813,856	$	0.19
Granted		—		—
Expired/Canceled		—		—
Exercised		—		—
Balance at June 30, 2019		1,813,856	$	0.19

Summary of stock option plans activity

	Options			Weighted-Average Exercise Price
Balance at December 31, 2018		7,227,248		$	1.34
Granted		595,000		$	0.96
Expired/Cancelled		(238,568	)	$	1.57
Exercised		(351,334	)	$	0.47
Balance at June 30, 2019		7,232,346		$	1.34

Stock based compensation expense allocation

	Three Months Ended  June 30,				Six Months Ended  June 30,
	2019		2018		2019		2018
Cost of revenue	$	4	$	5	$	7	$	11
General and administrative		97		246		190		462
Sales and marketing		42		63		81		123
Research and development		38		58		69		112
Total	$	181	$	372	$	347	$	708