Note 3 - Investments - Amortized Cost and Fair Value of Available-for-sale and Held-to-maturity Investments (Details) - USD ($)	Sep. 30, 2017	Dec. 31, 2016
Cost or Amortized Cost	$ 22,527,145	$ 15,224,117
Gross Unrealized Gains	446,633	520,492
Gross Unrealized Losses	(154,457)	(281,031)
Available for sale securities	22,819,321	15,463,578
Fixed Maturities [Member]
Cost or Amortized Cost	14,911,919	10,318,164
Gross Unrealized Gains	331,788	146,465
Gross Unrealized Losses	(89,883)	(144,555)
Available for sale securities	15,153,824	10,320,074
Equity Securities [Member]
Cost or Amortized Cost	7,615,226	4,723,024
Gross Unrealized Gains	114,845	350,981
Gross Unrealized Losses	(64,574)	(131,757)
Available for sale securities	7,665,497	4,942,248
Other Equity Investments [Member]
Cost or Amortized Cost		182,929
Gross Unrealized Gains		23,046
Gross Unrealized Losses		(4,719)
Available for sale securities		201,256
Equities, Including Equity Securities and Other Equity Investments [Member]
Cost or Amortized Cost	7,615,226	4,905,953
Gross Unrealized Gains		374,027
Gross Unrealized Losses		(136,476)
Available for sale securities	7,665,497	5,143,504
US Treasury Securities [Member] \| Fixed Maturities [Member]
Cost or Amortized Cost	269,529	314,992
Gross Unrealized Gains
Gross Unrealized Losses	(29,054)	(15,830)
Available for sale securities	240,475	299,162
US Government Agencies Debt Securities [Member] \| Fixed Maturities [Member]
Cost or Amortized Cost	299,842
Gross Unrealized Gains
Gross Unrealized Losses	(539)
Available for sale securities	299,303
Corporate Debt Securities [Member] \| Fixed Maturities [Member]
Cost or Amortized Cost	6,119,784	3,828,418
Gross Unrealized Gains	140,246	62,712
Gross Unrealized Losses	(25,617)	(45,234)
Available for sale securities	6,234,413	3,845,896
US States and Political Subdivisions Debt Securities [Member] \| Fixed Maturities [Member]
Cost or Amortized Cost	5,570,008	2,841,137
Gross Unrealized Gains	152,099	46,883
Gross Unrealized Losses	(19,519)	(38,191)
Available for sale securities	5,702,588	2,849,829
Collateralized Mortgage Backed Securities [Member] \| Fixed Maturities [Member]
Cost or Amortized Cost	2,553,196	3,333,617
Gross Unrealized Gains	38,963	36,870
Gross Unrealized Losses	(15,154)	(45,300)
Available for sale securities	2,577,005	$ 3,325,187
Redeemable Preferred Stock [Member] \| Fixed Maturities [Member]
Cost or Amortized Cost	99,560
Gross Unrealized Gains	480
Gross Unrealized Losses
Available for sale securities	$ 100,040

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
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
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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.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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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.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 50
-Paragraph 2
-Subparagraph (c)
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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