6. Earnings Per Share (Details - EPS) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings Per Share [Abstract]
Net loss	$ (547,003)	$ (429,832)	$ (1,327,041)	$ (689,664)
Weighted average shares outstanding - basic	42,035,306	40,633,327	41,614,374	40,569,515
Basic and diluted loss per share	$ (0.01)	$ (0.01)	$ (0.03)	$ (0.02)