Note 2 - Investments - Amortized Cost and Fair Value of Available-for-sale and Held-to-maturity Investments (Details) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Cost or Amortized Cost	$ 16,893,064	$ 15,224,117
Gross Unrealized Gains	469,519	520,492
Gross Unrealized Losses	(207,021)	(281,031)
Available for sale securities	17,155,562	15,463,578
Fixed Maturities [Member]
Cost or Amortized Cost	11,633,957	10,318,164
Gross Unrealized Gains	172,919	146,465
Gross Unrealized Losses	(118,420)	(144,555)
Available for sale securities	11,688,456	10,320,074
Equity Securities [Member]
Cost or Amortized Cost	4,962,881	4,723,024
Gross Unrealized Gains	257,651	350,981
Gross Unrealized Losses	(85,109)	(131,757)
Available for sale securities	5,135,423	4,942,248
Other Equity Investments [Member]
Cost or Amortized Cost	296,226	182,929
Gross Unrealized Gains	38,949	23,046
Gross Unrealized Losses	(3,492)	(4,719)
Available for sale securities	331,683	201,256
Equities, Including Equity Securities and Other Equity Investments [Member]
Cost or Amortized Cost	5,259,107	4,905,953
Gross Unrealized Gains	296,600	374,027
Gross Unrealized Losses	(88,601)	(136,476)
Available for sale securities	5,467,106	5,143,504
US Treasury Securities [Member] \| Fixed Maturities [Member]
Cost or Amortized Cost	315,229	314,992
Gross Unrealized Gains
Gross Unrealized Losses	(12,646)	(15,830)
Available for sale securities	302,583	299,162
Corporate Debt Securities [Member] \| Fixed Maturities [Member]
Cost or Amortized Cost	4,417,718	3,828,418
Gross Unrealized Gains	71,032	62,712
Gross Unrealized Losses	(36,034)	(45,234)
Available for sale securities	4,452,716	3,845,896
US States and Political Subdivisions Debt Securities [Member] \| Fixed Maturities [Member]
Cost or Amortized Cost	3,624,678	2,841,137
Gross Unrealized Gains	62,399	46,883
Gross Unrealized Losses	(30,087)	(38,191)
Available for sale securities	3,656,990	2,849,829
Collateralized Mortgage Backed Securities [Member] \| Fixed Maturities [Member]
Cost or Amortized Cost	3,276,332	3,333,617
Gross Unrealized Gains	39,488	36,870
Gross Unrealized Losses	(39,653)	(45,300)
Available for sale securities	$ 3,276,167	$ 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
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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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
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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
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-Section 50
-Paragraph 2
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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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