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11. Equity: Common Stock Purchase Warrant Transactions (Details) - shares	Mar. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Details
Class of Warrant or Right, Outstanding	14,100,123	14,100,123	9,295,834
Class of Warrant or Right, Outstanding	14,100,123	14,100,123	9,295,834

X

- Definition

Number of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ 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