8. Stock Options (Details) - USD ($)	9 Months Ended	12 Months Ended
Sep. 30, 2017	Dec. 31, 2016	Mar. 31, 2017	Dec. 31, 2015
Details
Stock options granted to directors			600,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	4,700,000	4,515,000	53,557	3,990,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	275,000	3,590,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term	3 years 2 months 23 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	$ 589,098
Sale of Stock, Price Per Share	$ 0.21		$ 0.09

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

+ References

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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