3 - Marketable Debt Securities: Held-to-maturity Securities (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Held to Maturity, at amortized cost	$ 17,058,181	$ 22,762,252
US States and Political Subdivisions Debt Securities
Held to Maturity, at amortized cost	17,058,181	22,762,252
Held-to-maturity Securities, Unrecognized Holding Gain	243,377	489,958
Held-to-maturity Securities, Unrecognized Holding Loss	(130,505)	(122,589)
Held-to-maturity Securities, Fair Value	$ 17,171,053	$ 23,129,621

Amount before other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

No definition available.

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- Definition

Fair value of investments in debt securities classified as held-to-maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563

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- Definition

Amount of unrecognized gain before loss on investments in held-to-maturity securities.

+ References

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- Definition

Amount of unrecognized loss before gain on investments in held-to-maturity securities. Excludes write-down for other than temporary impairment (OTTI).

+ References

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