Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Property, Plant, and Equipment, Useful Lives [Table Text Block]

Buildings and improvements (in years)	35	-	40
Furniture and fixtures and vehicles (in years)	3	-	10

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]

To Be Well Capitalized

For Capital

Under Prompt Corrective

Actual

Adequacy Purposes

Action Provisions

Amount

Ratio

Amount

Ratio

Amount

Ratio

As of December 31, 2021

Community Bank Leverage Ratio

Bank

$

120,011

10.1

%

N/A

N/A

$

101,414

8.5

%

To Be Well Capitalized

For Capital

Under Prompt Corrective

Actual

Adequacy Purposes

Action Provisions

Amount

Ratio

Amount

Ratio

Amount

Ratio

As of December 31, 2020

Community Bank Leverage Ratio

Bank

$

111,098

10.0

%

N/A

N/A

$

89,175

8.0

%

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Year Ended		Year Ended		Year Ended
	December 31, 2021		December 31, 2020		December 31, 2019
Net income available to common shareholders	$	10,638,142	$	6,832,214	$	9,415,090
Weighted average common shares outstanding		4,344,348		4,330,525		4,405,575
Effect of dilutive securities		21,684		19,499		57,984
Weighted average diluted shares outstanding		4,366,032		4,350,024		4,463,559
Basic income per common share	$	2.45	$	1.58	$	2.14
Diluted income per common share	$	2.44	$	1.57	$	2.11