Note 3 - Investments (Details Textual)	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Proceeds from Sale, Maturity and Collection of Investments, Total	$ 4,769,831	$ 7,795,116
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	76
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	$ 283,345	1,231
Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Total	0	0
Debt and Equity Securities, Unrealized Gain (Loss), Total	20,814	299,273
Debt and Equity Securities, Realized Gain (Loss), Total	229,992	1,014,347
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net, Total	$ (108,526)	$ 653,294
Fixed Income Securities [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	29
Collateralized Mortgage Backed Securities [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	41
Preferred Stock [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	6