Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2020	7,741,487
Balance at Dec. 31, 2020	$ 774,150	$ 23,063,273	$ 3,564,875	$ (8,997,507)	$ 18,404,791
Common stock issued, $7 per share (in shares)	3,917
Common stock issued, $7 per share	$ 391	27,028	0	0	27,419
Costs associated with common stock issued	0	(92,157)	0	0	(92,157)
Other comprehensive income (loss)	0	0	(899,223)	0	(899,223)
Net loss	$ 0	0	0	(121,514)	(121,514)
Balance (in shares) at Jun. 30, 2021	7,745,404
Balance at Jun. 30, 2021	$ 774,541	22,998,144	2,665,652	(9,119,021)	17,319,316
Balance (in shares) at Mar. 31, 2021	7,742,573
Balance at Mar. 31, 2021	$ 774,258	23,023,211	1,299,026	(9,333,724)	15,762,771
Common stock issued, $7 per share (in shares)	2,831
Common stock issued, $7 per share	$ 283	19,534	0	0	19,817
Costs associated with common stock issued	0	(44,601)	0	0	(44,601)
Other comprehensive income (loss)	0	0	1,366,626	0	1,366,626
Net loss	$ 0	0	0	214,703	214,703
Balance (in shares) at Jun. 30, 2021	7,745,404
Balance at Jun. 30, 2021	$ 774,541	22,998,144	2,665,652	(9,119,021)	17,319,316
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 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 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