Note 11 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

Year ended December 31,	2020			2019		2018
Current Federal income taxes	$	2,569		$	2,375	$	1,742
Current state income taxes		52			156		57
Deferred Federal income taxes (benefits)		(53	)		207		363
Deferred state income taxes (benefits)		(6	)		112		(105	)
Other		—			—		(85	)
Net provision prior to discrete tax adjustments		2,562			2,850		1,972
DTL writeoff due to change in tax methods		—			—		(415	)
Net provision	$	2,562		$	2,850	$	1,557

Schedule of Deferred Tax Assets and Liabilities

December 31,	2020		2019
Deferred tax assets
Allowance for loan losses	$	2,273	$	2,076
Non-accrual interest income		39		54
Deferred rent		71		—
Deferred revenue		46		71
Incurred but not reported medical expense		34		31
Bonus		154		218
Other		90		33
Total deferred tax assets		2,707		2,483
Deferred tax liabilities
Deferred loan costs		419		369
Depreciation		406		289
Mortgage servicing rights		112		92
Net unrealized holding gains on investment    securities available-for-sale		1,502		68
Fair value adjustment on equity securities		19		32
Prepaid expenses		166		151
Deferred rent		—		23
Other		17		18
Total deferred tax liabilities		2,641		1,042
Net deferred tax asset	$	66	$	1,441

Schedule of Effective Income Tax Rate Reconciliation

Year ended December 31,	2020						2019						2018
	Dollar			%			Dollar			%			Dollar			%
Provision at statutory rate	$	3,075			21.0	%	$	3,193			21.0	%	$	2,707			21.0	%
Tax-exempt interest and dividend income		(518	)		(3.5	)		(538	)		(3.5	)		(577	)		(4.5	)
Bank-owned life insurance		(62	)		(0.4	)		(61	)		(0.4	)		(61	)		(0.4	)
Stock-based compensation expense		20			0.1			20			0.1			17			0.1
State income tax		35			0.2			205			1.3			(19	)		(0.1	)
Other		12			0.1			31			0.2			(95	)		(0.8	)
Net provision prior to discrete    tax adjustments		2,562			17.5			2,850			18.7			1,972			15.3
DTL writeoff for change in tax methods		—			—			—			—			(415	)		(3.2	)
Net provision	$	2,562			17.5	%	$	2,850			18.7	%	$	1,557			12.1	%