Note 14 - Employee Benefits (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Employee Stock Ownership Plan (ESOP) Disclosures [Table Text Block]

	2021			2020
Shares held by participants beginning of the year		359,843			346,097
Shares allocated to participants		24,318			24,377
Shares distributed to participants		(30,484	)		(10,631	)
Shares held by participants end of year		353,677			359,843
Unreleased shares beginning of the year		182,418			206,795
Shares released during year		(24,318	)		(24,377	)
Unreleased shares end of year		158,100			182,418
Total ESOP shares end of year		511,777			542,261
Fair value of unreleased shares at December 31	$	3,900,327			3,137,590

Share-based Payment Arrangement, Option, Activity [Table Text Block]

	Shares Available For Grant			Unvested Restricted Shares Outstanding			Options Outstanding		Award Value/ Weighted Average Exercise Price		Vesting Period (in years)
2009 Plan
December 31, 2019		0			3,102			34,229	$	11.21
Vested		0			(3,102	)		0
December 31, 2020		0			0			34,229	$	11.21
December 31, 2021		0			0			34,229	$	11.21
2017 Plan
December 31, 2019		388,971			14,787			0		N/A
Granted January 28, 2020		(10,650	)		7,100			0				3
Granted April 23, 2020		(9,000	)		6,000			0				2
Granted April 28, 2020		(3,579	)		2,386			0				1
Vested		0			(8,789	)		0
December 31, 2020		365,742			21,484			0		N/A
Granted January 26, 2021		(16,685	)		11,123			0				3
Granted April 27, 2021		(3,150	)		2,100			0				1
Vested		0			(11,866	)		0
December 31, 2021		345,907			22,841			0		N/A
Total all plans		345,907			22,841			34,229	$	11.21

Share-based Payment Arrangement, Option, Exercise Price Range [Table Text Block]

Date of Grant	Exercise Price		Number Outstanding		Weighted Average Remaining Contractual Life in Years		Number Exercisable		Number Unexercisable
January 26, 2016	$	11.21		34,229		4.1		34,229		0
				34,229				34,229		0