Note 2 - Investments - Amortized Cost and Fair Value of Available-for-sale and Held-to-maturity Investments (Details) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Cost or Amortized Cost	$ 17,809,617	$ 15,224,117
Gross Unrealized Gains	639,766	520,492
Gross Unrealized Losses	(140,561)	(281,031)
Available for sale securities	18,308,822	15,463,578
Fixed Maturities [Member]
Cost or Amortized Cost	10,866,298	10,318,164
Gross Unrealized Gains	288,693	146,465
Gross Unrealized Losses	(66,655)	(144,555)
Available for sale securities	11,088,336	10,320,074
Equity Securities [Member]
Cost or Amortized Cost	6,834,157	4,723,024
Gross Unrealized Gains	327,375	350,981
Gross Unrealized Losses	(73,906)	(131,757)
Available for sale securities	7,087,626	4,942,248
Other Equity Investments [Member]
Cost or Amortized Cost	109,162	182,929
Gross Unrealized Gains	23,698	23,046
Gross Unrealized Losses		(4,719)
Available for sale securities	132,860	201,256
Equities, Including Equity Securities and Other Equity Investments [Member]
Cost or Amortized Cost	6,943,319	4,905,953
Gross Unrealized Gains	351,073	374,027
Gross Unrealized Losses	(73,906)	(136,476)
Available for sale securities	7,220,486	5,143,504
US Treasury Securities [Member] \| Fixed Maturities [Member]
Cost or Amortized Cost	267,504	314,992
Gross Unrealized Gains
Gross Unrealized Losses	(15,902)	(15,830)
Available for sale securities	251,602	299,162
Corporate Debt Securities [Member] \| Fixed Maturities [Member]
Cost or Amortized Cost	3,966,440	3,828,418
Gross Unrealized Gains	116,132	62,712
Gross Unrealized Losses	(18,574)	(45,234)
Available for sale securities	4,063,998	3,845,896
US States and Political Subdivisions Debt Securities [Member] \| Fixed Maturities [Member]
Cost or Amortized Cost	4,145,420	2,841,137
Gross Unrealized Gains	129,749	46,883
Gross Unrealized Losses	(14,552)	(38,191)
Available for sale securities	4,260,617	2,849,829
Collateralized Mortgage Backed Securities [Member] \| Fixed Maturities [Member]
Cost or Amortized Cost	2,486,934	3,333,617
Gross Unrealized Gains	42,812	36,870
Gross Unrealized Losses	(17,627)	(45,300)
Available for sale securities	$ 2,512,119	$ 3,325,187

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=75030427&loc=d3e22054-111558

Reference 2: 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=82897076&loc=d3e27232-111563

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26610-111562

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Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.2)
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