5. Joint Ventures: Non-controlling interest in Joint Venture (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Details
Nonedeemable Nonconrolling Interest beginning balance			$ 3,112,294	$ 3,142,312
Proceeds from contributions from noncontrolling interest	$ 13,456	$ 14,903	13,456	14,903
Net loss attributable to non-controlling interests	$ (17,009)	$ (16,274)	(29,616)	(27,307)
Nonedeemable Nonconrolling Interest ending balance			$ 3,096,134	$ 3,129,908

Amount of Net Income (Loss) attributable to noncontrolling interest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 55
-Paragraph 4J
-URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591551-111686

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration