9. Stock Options (Details) - USD ($)			9 Months Ended
Sep. 30, 2021	Jul. 19, 2021	Sep. 30, 2021	Sep. 30, 2020
Details
Net result of stock options exercised		$ 710,000
Net result of stock options exercised		$ 71,000	$ 71,000
Stock Issued During Period, Shares, New Issues		354,648
Stock Issued During Period, Value, New Issues		$ 35,466
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		355,352
Proceeds from Exercise of Options		$ 35,534	$ 35,534	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period			1,640,000	960,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term			2 years 8 months 26 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	$ 114,498		$ 114,498
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 18,460		$ 710,000

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of new stock issued during the period.

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

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Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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Value of stock issued as a result of the exercise of stock options.

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