11. Fair Value: Schedule of Fair Value of Assets on a Recurring Basis (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Assets Measured at Fair Value	$ 5,145,000	$ 5,578,000
Loans held for sale, at fair value	10,297,168	7,793,785
Loans held at fair value	4,450,901	4,207,338
Servicing asset	319,368	312,814
Fair Value, Inputs, Level 1
Assets Measured at Fair Value	132,000	130,000
Loans held for sale, at fair value	0	0
Loans held at fair value	0	0
Servicing asset	0	0
Fair Value, Inputs, Level 2
Assets Measured at Fair Value	5,013,000	5,448,000
Loans held for sale, at fair value	10,297,000	7,794,000
Loans held at fair value	0	0
Servicing asset	0	0
Fair Value, Inputs, Level 3
Assets Measured at Fair Value	0	0
Loans held for sale, at fair value	0	0
Loans held at fair value	4,451,000	4,207,000
Servicing asset	319,000	313,000
US Government Agency Securities
Assets Measured at Fair Value	2,273,000	2,268,000
US Government Agency Securities \| Fair Value, Inputs, Level 1
Assets Measured at Fair Value	0	0
US Government Agency Securities \| Fair Value, Inputs, Level 2
Assets Measured at Fair Value	2,273,000	2,268,000
US Government Agency Securities \| Fair Value, Inputs, Level 3
Assets Measured at Fair Value	0	0
Government Sponsored Enterprises residential mortgage-backed securities
Assets Measured at Fair Value	2,740,000	3,180,000
Government Sponsored Enterprises residential mortgage-backed securities \| Fair Value, Inputs, Level 1
Assets Measured at Fair Value	0	0
Government Sponsored Enterprises residential mortgage-backed securities \| Fair Value, Inputs, Level 2
Assets Measured at Fair Value	2,740,000	3,180,000
Government Sponsored Enterprises residential mortgage-backed securities \| Fair Value, Inputs, Level 3
Assets Measured at Fair Value	0	0
Investments in money market funds
Assets Measured at Fair Value	132,000	130,000
Investments in money market funds \| Fair Value, Inputs, Level 1
Assets Measured at Fair Value	132,000	130,000
Investments in money market funds \| Fair Value, Inputs, Level 2
Assets Measured at Fair Value	0	0
Investments in money market funds \| Fair Value, Inputs, Level 3
Assets Measured at Fair Value	$ 0	$ 0

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
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+ References

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-URI http://asc.fasb.org/subtopic&trid=2196772

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Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 45
-Paragraph 2
-Subparagraph (b)
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