ORGANIZATION AND DESCRIPTION OF BUSINESS (Liquidity and Capital Resources) (Details) - USD ($)	1 Months Ended	3 Months Ended
	Apr. 30, 2018	Mar. 31, 2018	Mar. 31, 2017	Jan. 01, 2018	Dec. 31, 2017
Class of Stock [Line Items]
Accumulated deficit		$ 73,464,000		$ 67,748,000	$ 67,812,000
Cash and cash equivalents		7,767,000	$ 12,957,000		19,524,000
Investments		25,085,000			$ 0
Proceeds from sale of common stock		18,381,000	$ 0
Substantial doubt about going concern, management's evaluation, cash used in the period		$ 0
Subsequent Event
Class of Stock [Line Items]
Proceeds from sale of common stock	$ 2,800,000