5. Investment Securities: Schedule of Available-for-sale Securities Reconciliation (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Available-for-sale Securities, Amortized Cost Basis	$ 4,972,000	$ 5,218,000
Available-for-sale Securities, Gross Unrealized Gain	11,000	21,000
Available-for-sale Securities, Gross Unrealized Loss	(152,000)	(94,000)
Investment securities available-for-sale, at fair value	4,831,363	5,144,707
Available-for-sale Securities, Gross Unrealized Loss	152,000	94,000
Thousand
Investment securities available-for-sale, at fair value	4,831,000	5,145,000
US Government Agencies Debt Securiities
Available-for-sale Securities, Amortized Cost Basis	2,349,000	2,349,000
Available-for-sale Securities, Gross Unrealized Gain	0	0
Available-for-sale Securities, Gross Unrealized Loss	(97,000)	(76,000)
Investment securities available-for-sale, at fair value	2,252,000	2,273,000
Available-for-sale Securities, Gross Unrealized Loss	97,000	76,000
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises
Available-for-sale Securities, Amortized Cost Basis	2,623,000	2,737,000
Available-for-sale Securities, Gross Unrealized Gain	11,000	21,000
Available-for-sale Securities, Gross Unrealized Loss	(55,000)	(18,000)
Investment securities available-for-sale, at fair value	2,579,000	2,740,000
Available-for-sale Securities, Gross Unrealized Loss	$ 55,000	18,000
Money Market Funds
Available-for-sale Securities, Amortized Cost Basis		132,000
Available-for-sale Securities, Gross Unrealized Gain		0
Available-for-sale Securities, Gross Unrealized Loss		0
Investment securities available-for-sale, at fair value		132,000
Available-for-sale Securities, Gross Unrealized Loss		$ 0

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

No definition available.

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- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

No definition available.

+ Details

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- Definition

Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

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- Definition

Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

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