Note 4 - Loans and Allowance for Loan Losses - Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Loans	$ 525,818	$ 493,499
Less undisbursed portion of loans in process	(19,179)	(23,081)
Principal loan balance	506,639	470,418
Deferred loan origination fees and costs, net	317	1,137
Allowance for loan losses	(6,625)	(5,061)	$ (4,065)	$ (3,634)
Loans, net	500,331	466,494
Real Estate Mortgage Portfolio Segment [Member] \| Residential Loan [Member]
Loans	131,217	131,959
Allowance for loan losses	(1,239)	(867)	(693)	(219)
Real Estate Mortgage Portfolio Segment [Member] \| Land Loan [Member]
Loans	17,328	19,185
Principal loan balance	17,328	19,185
Deferred loan origination fees and costs, net	17	15
Allowance for loan losses	(209)	(163)	(162)	(133)
Real Estate Mortgage Portfolio Segment [Member] \| Residential Construction [Member]
Loans	39,160	35,554
Real Estate Mortgage Portfolio Segment [Member] \| Commercial Real Estate Loan [Member]
Loans	135,114	121,563
Principal loan balance	135,114	121,563
Deferred loan origination fees and costs, net	(65)	(62)
Allowance for loan losses	(2,358)	(1,623)	(1,401)	(1,622)
Real Estate Mortgage Portfolio Segment [Member] \| Commercial Real Estate Construction [Member]
Loans	4,988	20,086
Commercial Portfolio Segment [Member]
Loans	82,274	45,307
Principal loan balance	82,274	45,307
Deferred loan origination fees and costs, net	(843)	0
Allowance for loan losses	(843)	(595)	(459)	(291)
Consumer Portfolio Segment [Member] \| Home Equity and Second Mortgage [Member]
Loans	52,001	54,677
Principal loan balance	52,001	54,677
Deferred loan origination fees and costs, net	1,100	1,067
Allowance for loan losses	(617)	(515)	(443)	(710)
Consumer Portfolio Segment [Member] \| Automobile Loan [Member]
Loans	43,770	46,443
Consumer Portfolio Segment [Member] \| Loans Secured by Deposits [Member]
Loans	1,083	1,372
Consumer Portfolio Segment [Member] \| Unsecured Loan [Member]
Loans	2,766	3,653
Consumer Portfolio Segment [Member] \| Other Consumer Loan [Member]
Loans	16,117	13,700
Principal loan balance	63,736	65,168
Deferred loan origination fees and costs, net	$ 0	$ 0
Allowance for loan losses			$ (683)	$ (414)

Represents the loans and leases receivable principal balance.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount of undisbursed portion of the loan receivable balance (loans in process). Excludes loans and leases covered under loss sharing agreements.

+ References

No definition available.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

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