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, 2018						7,650,551
Balance at Dec. 31, 2018			$ 1,098,760	$ (1,098,760)		$ 765,056	$ 22,989,443	$ (2,184,429)	$ (8,937,404)	$ 12,632,666
Common stock issued, $7 per share (in shares)						56,539
Common stock issued, $7 per share						$ 5,654	390,119			395,773
Costs associated with common stock issued							(237,870)			(237,870)
Other comprehensive income								2,587,843		2,587,843
Net income (loss)									341,086	341,086
Balance (in shares) at Jun. 30, 2019						7,707,090
Balance at Jun. 30, 2019						$ 770,710	23,141,692	1,502,174	(9,695,078)	15,719,498
Balance (in shares) at Mar. 31, 2019						7,693,408
Balance at Mar. 31, 2019						$ 769,342	23,142,047	160,109	(9,660,296)	14,411,202
Common stock issued, $7 per share (in shares)						13,682
Common stock issued, $7 per share						$ 1,368	94,406			95,774
Costs associated with common stock issued							(94,761)			(94,761)
Other comprehensive income								1,342,065		1,342,065
Net income (loss)									(34,782)	(34,782)
Balance (in shares) at Jun. 30, 2019						7,707,090
Balance at Jun. 30, 2019						$ 770,710	23,141,692	1,502,174	(9,695,078)	15,719,498
Balance (in shares) at Dec. 31, 2019						7,734,004
Balance at Dec. 31, 2019						$ 773,401	23,210,257	2,329,495	(9,436,956)	16,876,197
Common stock issued, $7 per share (in shares)						7,225
Common stock issued, $7 per share						$ 723	49,852			50,575
Costs associated with common stock issued							(99,011)			(99,011)
Other comprehensive income								1,187,754		1,187,754
Net income (loss)									(3,129,743)	(3,129,743)
Balance (in shares) at Jun. 30, 2020						7,741,229
Balance at Jun. 30, 2020						$ 774,124	23,161,098	3,517,249	(12,566,699)	14,885,772
Balance (in shares) at Mar. 31, 2020						7,740,700
Balance at Mar. 31, 2020						$ 774,071	23,204,894	624,464	(12,140,327)	12,463,102
Common stock issued, $7 per share (in shares)						529
Common stock issued, $7 per share						$ 53	3,650			3,703
Costs associated with common stock issued							(47,446)			(47,446)
Other comprehensive income								2,892,785		2,892,785
Net income (loss)									(426,372)	(426,372)
Balance (in shares) at Jun. 30, 2020						7,741,229
Balance at Jun. 30, 2020						$ 774,124	$ 23,161,098	$ 3,517,249	$ (12,566,699)	$ 14,885,772