Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($)	Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] AOCI Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2021						7,745,404
Balance at Dec. 31, 2021						$ 774,541	$ 22,948,637	$ 2,521,730	$ (8,663,152)	$ 17,581,756
Common stock issued, $7 per share (in shares)						1,518
Common stock issued, $7 per share						$ 152	10,474	0	0	10,626
Costs associated with common stock issued						0	(3,653)	0	0	(3,653)
Other comprehensive income (loss)						0	0	(6,376,810)	0	(6,376,810)
Net income (loss)						$ 0	0	0	(2,722,676)	(2,722,676)
Balance (in shares) at Jun. 30, 2022						7,746,922
Balance at Jun. 30, 2022						$ 774,693	22,955,458	(3,855,080)	(11,385,828)	8,489,243
Balance (in shares) at Mar. 31, 2022						7,746,672
Balance at Mar. 31, 2022						$ 774,668	22,955,681	(696,331)	(9,810,583)	13,223,435
Common stock issued, $7 per share (in shares)						250
Common stock issued, $7 per share						$ 25	1,725	0	0	1,750
Costs associated with common stock issued						0	(1,948)	0	0	(1,948)
Other comprehensive income (loss)						0	0	(3,158,749)	0	(3,158,749)
Net income (loss)						$ 0	0	0	(1,575,245)	(1,575,245)
Balance (in shares) at Jun. 30, 2022						7,746,922
Balance at Jun. 30, 2022						$ 774,693	22,955,458	(3,855,080)	(11,385,828)	8,489,243
Balance (in shares) at Dec. 31, 2022						7,746,922
Balance at Dec. 31, 2022	$ 0	$ 0	$ 0	$ (150,373)	$ (150,373)	$ 774,693	22,955,458	(3,841,120)	(11,819,637)	8,069,394
Common stock issued, $7 per share (in shares)						2,000
Common stock issued, $7 per share						$ 200	13,800	0	0	14,000
Costs associated with common stock issued						0	(4,768)	0	0	(4,768)
Other comprehensive income (loss)						0	0	299,053	0	299,053
Net income (loss)						$ 0	0	0	963,851	963,851
Balance (in shares) at Jun. 30, 2023						7,748,922
Balance at Jun. 30, 2023						$ 774,893	22,964,490	(3,542,067)	(11,006,159)	9,191,157
Balance (in shares) at Mar. 31, 2023						7,746,922
Balance at Mar. 31, 2023						$ 774,693	22,955,458	(3,008,312)	(11,694,559)	9,027,280
Common stock issued, $7 per share (in shares)						2,000
Common stock issued, $7 per share						$ 200	13,800	0	0	14,000
Costs associated with common stock issued						0	(4,768)	0	0	(4,768)
Other comprehensive income (loss)						0	0	(533,755)	0	(533,755)
Net income (loss)						$ 0	0	0	688,400	688,400
Balance (in shares) at Jun. 30, 2023						7,748,922
Balance at Jun. 30, 2023						$ 774,893	$ 22,964,490	$ (3,542,067)	$ (11,006,159)	$ 9,191,157