12. STOCK OPTIONS AND WARRANTS (Details - Warrants) - Warrants [Member]	9 Months Ended
	Sep. 30, 2019 shares
Warrants outstanding, beginning balance	134,359
Warrants expired	(5,370)
Warrants outstanding, ending balance	2,538,990
Underwriter Warrants [Member]
Warrants issued	100,001
Public Offering [Member]
Warrants issued	2,300,000
Over-Allotment Option [Member]
Warrants issued	10,000