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, 2017	7,310,939
Balance at Dec. 31, 2017	$ 731,095	$ 21,280,437	$ 405,438	$ (8,481,268)	$ 13,935,702
Common stock issued, $7 per share (in shares)	142,348
Common stock issued, $7 per share	$ 14,235	982,201			996,436
Costs associated with common stock issued		(277,431)			(277,431)
Other comprehensive loss			(1,504,120)		(1,504,120)
Net income (loss)				(579,586)	(579,586)
Balance (in shares) at Jun. 30, 2018	7,453,287
Balance at Jun. 30, 2018	$ 745,330	21,985,207	(1,098,682)	(9,060,854)	12,571,001
Balance (in shares) at Mar. 31, 2018	7,357,157
Balance at Mar. 31, 2018	$ 735,717	21,479,626	(583,508)	(8,884,026)	12,747,809
Common stock issued, $7 per share (in shares)	96,130
Common stock issued, $7 per share	$ 9,613	663,297			672,910
Costs associated with common stock issued		(157,716)			(157,716)
Other comprehensive loss			(515,174)		(515,174)
Net income (loss)				(176,828)	(176,828)
Balance (in shares) at Jun. 30, 2018	7,453,287
Balance at Jun. 30, 2018	$ 745,330	21,985,207	(1,098,682)	(9,060,854)	12,571,001
Balance (in shares) at Dec. 31, 2018	7,650,551
Balance at Dec. 31, 2018	$ 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 loss			3,686,603		3,686,603
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 loss			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