Note 17 - Accumulated Other Comprehensive Income (Loss) - Condensed Financial Statements (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Balance	$ 13,959,766
Unrealized net holding gains (losses) arising during the period, net of tax	385,952	$ (213,036)
Reclassifications, net of tax	62,433	(39,232)
Balance	12,997,354	13,959,766
Accounting Standards Update 2018-12 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance	(9,781,784)	12,444,494
Balance		(9,781,784)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Balance	(3,090,176)
Unrealized net holding gains (losses) arising during the period, net of tax	385,952	(213,036)
Reclassifications, net of tax	(62,433)	39,232
Balance	(2,766,657)	(3,090,176)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] | Accounting Standards Update 2018-12 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance		(2,916,372)
AOCI, Liability for Future Policy Benefit, Parent [Member]
Balance	3,261,078
Unrealized net holding gains (losses) arising during the period, net of tax	(538,633)	1,146,537
Reclassifications, net of tax	0	0
Balance	2,722,445	3,261,078
AOCI, Liability for Future Policy Benefit, Parent [Member] | Accounting Standards Update 2018-12 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance		2,114,541
AOCI Attributable to Parent [Member]
Balance	170,902
Unrealized net holding gains (losses) arising during the period, net of tax	(152,681)	933,501
Reclassifications, net of tax	(62,433)	39,232
Balance	(44,212)	170,902
AOCI Attributable to Parent [Member] | Accounting Standards Update 2018-12 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance		(801,831)
Previously Reported [Member]
Balance	$ (13,111,132)	10,331,077
Balance		(13,111,132)
Previously Reported [Member] | AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Balance		(2,916,372)
Previously Reported [Member] | AOCI, Liability for Future Policy Benefit, Parent [Member]
Balance		0
Previously Reported [Member] | AOCI Attributable to Parent [Member]
Balance		(2,916,372)
Revision of Prior Period, Reclassification, Adjustment [Member] | AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] | Accounting Standards Update 2018-12 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		0
Revision of Prior Period, Reclassification, Adjustment [Member] | AOCI, Liability for Future Policy Benefit, Parent [Member] | Accounting Standards Update 2018-12 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		2,114,541
Revision of Prior Period, Reclassification, Adjustment [Member] | AOCI Attributable to Parent [Member] | Accounting Standards Update 2018-12 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		$ 2,114,541