7. Common Stock (Details Narrative) - USD ($)	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Proceeds from warrant exercises	$ 61,000	$ 273,000
Convertible Notes Payable [Member]
Debt converted, shares issued	8,094,707
Debt converted, amount converted	$ 375,000
Warrant Exercises [Member]
Stock issued upon the exercise of warrants, shares issued	1,155,000
Proceeds from warrant exercises	$ 58,000
Options Exercises [Member]
Stock issued for exercise of options, shares	60,000
Proceeds from options exercised	$ 3,000