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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, 2020
Dec. 31, 2020
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   2,100,000
Exercise price per share   $ 0.14  
Expected terms   3.0  
Risk-free rate   1.81%  
Expected volatility   98.60%