17. Earnings per share (Basic and Dilutive) (Details - Basic and diluted earnings per share ) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Numerator:
Net income (loss)	$ (16,975,742)	$ 948,915
Denominator:
Weighted-average shares of common stock	33,740,557	25,121,896
Dilutive effect of warrants	0	2,647,461
Diluted weighted-average shares of common stock	33,740,557	27,769,357
Net loss per common share from Basic	$ (0.50)	$ 0.04
Net loss per common share from Diluted	$ (0.50)	$ 0.03