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11. Equity: Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (Details) - $ / shares
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2019
Details      
Weighted average fair value     $ 0.09
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures 2,100,000 (108,000)  
Exercise price per share     $ 0.14
Expected terms     3.0
Risk-free rate     1.81%
Expected volatility     98.60%