14. Stockholders' Equity (Details - Warrant assumptions) - Warrant [Member]	12 Months Ended
	Dec. 31, 2020
Expected dividend yield	0.00%	[1]
Risk-free interest rate - minimum	1.75%	[2]
Risk-free interest rate - maximum	2.91%	[2]
Volatility - minimum	1.23%	[3]
Volatility - maximum	442.92%	[3]
Minimum [Member]
Expected life	2 years
Maximum [Member]
Expected life	5 years

[1] The Company has no history or expectation of paying cash dividends on its Common Stock.

[2] The risk-free interest rate is based on the U.S. Treasury yield for a term consistent with the expected life of the awards in effect at the time of grant.

[3] The volatility of the Companys Common Stock is based on trading activity for the previous three year period ended at each stock purchase warrant contract date.