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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%

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