Note 11 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

Year ended December 31,	2021		2020			2019
Current Federal income taxes	$	3,629	$	2,569		$	2,375
Current state income taxes		219		52			156
Deferred Federal income taxes (benefits)		21		(53	)		207
Deferred state income taxes (benefits)		92		(6	)		112
Net provision	$	3,961	$	2,562		$	2,850

Schedule of Deferred Tax Assets and Liabilities

December 31,	2021		2020
Deferred tax assets
Allowance for loan losses	$	2,349	$	2,273
Net unrealized holding losses on investment    securities available-for-sale		994		—
Non-accrual interest income		32		39
Leasing liability		788		965
Deferred revenue		23		46
Incurred but not reported medical expense		31		34
Bonus		248		154
Other		54		90
Total deferred tax assets		4,519		3,601
Deferred tax liabilities
Deferred loan income		430		419
Depreciation		295		406
Mortgage servicing rights		110		112
Net unrealized holding gains on investment    securities available-for-sale		—		1,502
Fair value adjustment on equity securities		286		19
Prepaid expenses		214		166
Right of use asset		719		894
Other		16		17
Total deferred tax liabilities		2,070		3,535
Net deferred tax asset	$	2,449	$	66

Schedule of Effective Income Tax Rate Reconciliation

Year ended December 31,	2021						2020						2019
	Dollar			%			Dollar			%			Dollar			%
Provision at statutory rate	$	4,295			21.0	%	$	3,075			21.0	%	$	3,193			21.0	%
Tax-exempt interest and dividend income		(527	)		(2.6	)		(518	)		(3.5	)		(538	)		(3.5	)
Bank-owned life insurance		(104	)		(0.5	)		(62	)		(0.4	)		(61	)		(0.4	)
Stock-based compensation expense		19			0.1			20			0.1			20			0.1
State income tax		245			1.2			35			0.2			205			1.3
Other		33			0.2			12			0.1			31			0.2
Net provision	$	3,961			19.4	%	$	2,562			17.5	%	$	2,850			18.7	%