Note 9 - Employee Benefits (Details Textual) - USD ($)	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Defined Contribution Plan, Employer Matching Contribution, Percent of Match	4.00%
Employee Stock Ownership Plan (ESOP), Number of Allocated Shares (in shares)	350,000
Employee Stock Ownership Plan (ESOP), Weighted Average Purchase Price of Shares Purchased (in dollars per share)	$ 10
Employee Stock Ownership Plan (ESOP), Compensation Expense	$ 432,267	$ 476,482
Employee Stock Ownership Plan (ESOP), Number of Committed-to-be-Released Shares (in shares)	23,437	23,437
Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)	3 years
Share-Based Payment Arrangement, Expense	$ 232,286	$ 205,403
Share-Based Payment Arrangement, Tranche One [Member] \| Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage	0.33%
Defined Contribution Plan 401k Eligible Compensation [Member]
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage	100.00%
Defined Contribution Plan 401k Profit Sharing [Member]
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage	25.00%
Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year	$ 330,095	273,851
Deferred Compensation Agreement [Member]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	4.80%
Defined Benefit Plan, Accumulated Benefit Obligation	$ 545,072	486,387
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)	$ 131,927	$ (42,731)
Deferred Compensation Agreement [Member] \| Vesting Date A [Member]
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage	25.00%
Deferred Compensation Agreement [Member] \| Vesting Date B [Member]
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage	50.00%
Deferred Compensation Agreement [Member] \| Vesting Date C [Member]
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage	75.00%
Deferred Compensation Agreement [Member] \| Vesting Date D [Member]
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage	100.00%
Defined Benefit Plan, Cost of Providing Special and Contractual Termination Benefits	$ 1,600,618

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level.

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Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

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Amount of cost of providing special or contractual termination benefits payable from defined benefit plan.

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Amount of contributions received and expected to be received by defined benefit plan from employer in current fiscal year.

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