Note 2 - Investments - Amortized Cost and Fair Value of Available-for-sale and Held-to-maturity Investments (Details) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Debt securities, amortized cost	$ 32,635,261	$ 30,823,397
Gross Unrealized Gains	3,876,201	2,353,766
Gross Unrealized Losses	(358,941)	(24,271)
Investments in available-for-sale securities, at fair value	36,152,521	33,152,892
Fixed Maturities [Member]
Debt securities, amortized cost	32,635,261	30,823,397
Investments in available-for-sale securities, at fair value	36,152,521	33,152,892
US Treasury Securities [Member] \| Fixed Maturities [Member]
Debt securities, amortized cost	573,039	608,477
Gross Unrealized Gains	101,726	24,162
Gross Unrealized Losses
Investments in available-for-sale securities, at fair value	674,765	632,639
Corporate Debt Securities [Member] \| Fixed Maturities [Member]
Debt securities, amortized cost	19,240,984	18,407,211
Gross Unrealized Gains	2,816,255	1,697,265
Gross Unrealized Losses	(182,565)	(20,079)
Investments in available-for-sale securities, at fair value	21,874,674	20,084,397
US States and Political Subdivisions Debt Securities [Member] \| Fixed Maturities [Member]
Debt securities, amortized cost	5,959,395	6,538,883
Gross Unrealized Gains	872,610	518,059
Gross Unrealized Losses		(1,883)
Investments in available-for-sale securities, at fair value	6,832,005	7,055,059
Redeemable Preferred Stock [Member] \| Fixed Maturities [Member]
Debt securities, amortized cost	3,213,953	2,097,206
Gross Unrealized Gains	4,224	36,687
Gross Unrealized Losses	(159,884)
Investments in available-for-sale securities, at fair value	3,058,293	2,133,893
Collateralized Mortgage Backed Securities [Member] \| Fixed Maturities [Member]
Debt securities, amortized cost	3,647,890	3,171,620
Gross Unrealized Gains	81,386	77,593
Gross Unrealized Losses	(16,492)	(2,309)
Investments in available-for-sale securities, at fair value	$ 3,712,784	$ 3,246,904

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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