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11. Equity: Warrant Expirations (Details) - shares	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Details
Class of Warrant or Right, Outstanding	5,975,027	12,900,123	14,100,123

X

- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_TextBlockAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration