Consolidated Statements of Shareholders' Equity - USD ($)	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2019	$ 3,279	$ 36,012,401	$ 85,979,678	$ 8,977,914	$ 523,634	$ 131,496,906
Common stock issued during year	11	325,657	0	0	0	325,668
Treasury shares acquired and retired	(114)	(3,313,040)	0	0	0	(3,313,154)
Net income attributable to common shareholders	0	0	2,088,606	0	0	2,088,606
Unrealized holding gain (loss) on securities net of noncontrolling interest and reclassification adjustment and taxes	0	0	0	6,606,327	0	6,606,327
Distributions	0	0	0	0	(190,818)	(190,818)
Gain attributable to noncontrolling interest	0	0	0	0	127,956	127,956
Balance at Dec. 31, 2020	3,176	33,025,018	88,068,284	15,584,241	460,772	137,141,491
Common stock issued during year	10	292,929	0	0	0	292,939
Treasury shares acquired and retired	(19)	(537,360)	0	0	0	(537,379)
Net income attributable to common shareholders	0	0	9,663,063	0	0	9,663,063
Unrealized holding gain (loss) on securities net of noncontrolling interest and reclassification adjustment and taxes	0	0	0	(5,331,090)	0	(5,331,090)
Distributions	0	0	0	0	(76,314)	(76,314)
Gain attributable to noncontrolling interest	0	0	0	0	92,097	92,097
Balance at Dec. 31, 2021	$ 3,167	$ 32,780,587	$ 97,731,347	$ 10,253,151	$ 476,555	$ 141,244,807