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13. Stockholders' Equity: Common Stock Purchase Warrant Expirations (Details) - shares	Sep. 30, 2021	Dec. 31, 2020	Dec. 31, 2019
Details
Class of Warrant or Right, Outstanding	5,697,249	5,975,027	12,900,123

X

- Definition

Number of warrants or rights outstanding.

+ References

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Balance Type:	na
Period Type:	instant

X

- References

No definition available.

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