Consolidated Statements of Changes in Shareholders' Equity - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2016	5,565,943
Balance at Dec. 31, 2016	$ 556,595	$ 18,017,163	$ 239,461	$ (7,432,236)	$ 11,380,983
Common stock issued, $7 per share (in shares)	100,538
Common stock issued, $7 per share	$ 10,054	693,711			703,765
Costs associated with common stock issued		(363,371)			(363,371)
Common Stock issued, Northern Plains Capital Corporation merger (in shares)	1,644,458
Common Stock issued, Northern Plains Capital Corporation merger	$ 164,446	2,932,934			3,097,380
Other comprehensive income			165,977		165,977
Net loss				(1,049,032)	(1,049,032)
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)	339,612
Common stock issued, $7 per share	$ 33,961	2,343,323			2,377,284
Costs associated with common stock issued		(634,317)			(634,317)
Other comprehensive income			(2,589,867)		(2,589,867)
Net loss				(456,136)	(456,136)
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