Consolidated Statements of Changes in Shareholders' Equity - 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)						42,857
Common stock issued, $7 per share						$ 4,286	295,713			299,999
Costs associated with common stock issued							(143,109)			(143,109)
Other comprehensive income								1,245,778		1,245,778
Net income (loss)									375,868	375,868
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
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)						6,696
Common stock issued, $7 per share						$ 670	46,202			46,872
Costs associated with common stock issued							(51,565)			(51,565)
Other comprehensive income								(1,705,031)		(1,705,031)
Net income (loss)									(2,703,371)	(2,703,371)
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