ORGANIZATION AND DESCRIPTION OF BUSINESS (Liquidity and Capital Resources) (Details) - USD ($)		9 Months Ended
	Jul. 31, 2019	Sep. 30, 2019	Dec. 31, 2018
Subsidiary, Sale of Stock [Line Items]
Accumulated deficit		$ 114,646,000	$ 92,564,000
Cash, cash equivalents, and investments		14,700,000
Substantial doubt about going concern, management's evaluation, cash used in the period		(17,900,000)
Shelf registration statement maximum aggregate proceeds		$ 50,000,000.0
New shares issued (in shares)	3,960,560	0
Private Placement
Subsidiary, Sale of Stock [Line Items]
Common stock subscriptions, amount		$ 9,900,000