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12. Stockholders' Equity (Details - EPO Activity) - Equity Purchase Option [Member] - USD ($)
9 Months Ended
Sep. 30, 2019
Dec. 31, 2018
Number of EPO shares - beginning balance 0  
Number of EPO shares - granted 600,000  
Number of EPO shares - exercised 0  
Number of EPO shares - expired 0  
Number of EPO shares - forfeited 0  
Number of EPO shares - ending balance 600,000  
Number of EPO shares - exercisable   600,000
Weighted average price per share EPO- granted $ 11.50  
Weighted average price per share EPO- ending balance $ 11.50  
Weighted average price per share EPO- exercisable   $ 1.50
Weighted average remaining term years EPO 3 years  
Weighted average remaining term years EPO exercisable 3 years  
Intrinsic value oustanding EPO   $ 0
Intrinsic value exercisable EPO   $ 0