Note 2 - Investments - Amortized Cost and Fair Value of Available-for-sale and Held-to-maturity Investments (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Cost or Amortized Cost	$ 35,519,521	$ 33,203,777
Gross Unrealized Gains	224,735	657,628
Gross Unrealized Losses	(1,323,394)	(252,190)
Investments in available-for-sale securities, at fair value	34,420,862	33,609,215
Fixed Maturities [Member]
Cost or Amortized Cost	23,987,179	22,439,705
Gross Unrealized Gains	165,288	574,282
Gross Unrealized Losses	(969,077)	(68,287)
Investments in available-for-sale securities, at fair value	23,183,390	22,945,700
Equity Securities [Member]
Cost or Amortized Cost	11,532,342	10,764,072
Gross Unrealized Gains	59,447	83,346
Gross Unrealized Losses	(354,317)	(183,903)
Investments in available-for-sale securities, at fair value	11,237,472	10,663,515
US Treasury Securities [Member] \| Fixed Maturities [Member]
Cost or Amortized Cost	275,896	271,620
Gross Unrealized Gains
Gross Unrealized Losses	(7,450)	(20,870)
Investments in available-for-sale securities, at fair value	268,446	250,750
Corporate Debt Securities [Member] \| Fixed Maturities [Member]
Cost or Amortized Cost	13,448,349	11,857,191
Gross Unrealized Gains	31,181	309,754
Gross Unrealized Losses	(770,236)	(10,720)
Investments in available-for-sale securities, at fair value	12,709,294	12,156,225
US States and Political Subdivisions Debt Securities [Member] \| Fixed Maturities [Member]
Cost or Amortized Cost	6,165,877	6,134,323
Gross Unrealized Gains	124,831	230,842
Gross Unrealized Losses	(83,643)	(12,721)
Investments in available-for-sale securities, at fair value	6,207,065	6,352,444
Redeemable Preferred Stock [Member] \| Fixed Maturities [Member]
Cost or Amortized Cost	99,560	99,560
Gross Unrealized Gains		960
Gross Unrealized Losses	(1,800)
Investments in available-for-sale securities, at fair value	97,760	100,520
Collateralized Mortgage Backed Securities [Member] \| Fixed Maturities [Member]
Cost or Amortized Cost	3,997,497	4,077,011
Gross Unrealized Gains	9,276	32,726
Gross Unrealized Losses	(105,948)	(23,976)
Investments in available-for-sale securities, at fair value	$ 3,900,825	$ 4,085,761

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

No definition available.

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- Definition

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://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=82897076&loc=d3e27161-111563

+ Details

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- Definition

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

No definition available.

+ Details

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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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