Note 3 - Loans and Allowance for Loan Losses - Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Loans	$ 520,885	$ 525,818
Less undisbursed portion of loans in process	(31,808)	(19,179)
Principal loan balance	489,077	506,639
Deferred loan origination fees and costs, net	174	317
Allowance for loan losses	(6,628)	(6,625)	$ (5,307)	$ (5,061)
Loans, net	482,623	500,331
Real Estate Mortgage Portfolio Segment [Member] \| Residential Loan [Member]
Loans	125,129	131,217
Allowance for loan losses	(1,221)	(1,239)	(929)	(867)
Real Estate Mortgage Portfolio Segment [Member] \| Land Loan [Member]
Loans	17,005	17,328
Principal loan balance	17,005	17,328
Deferred loan origination fees and costs, net	16	17
Allowance for loan losses	(209)	(209)	(163)	(163)
Real Estate Mortgage Portfolio Segment [Member] \| Residential Construction [Member]
Loans	52,792	39,160
Real Estate Mortgage Portfolio Segment [Member] \| Commercial Real Estate Loan [Member]
Loans	133,423	135,114
Principal loan balance	133,423	135,114
Deferred loan origination fees and costs, net	(62)	(65)
Allowance for loan losses	(2,355)	(2,358)	(1,735)	(1,623)
Real Estate Mortgage Portfolio Segment [Member] \| Commercial Real Estate Construction [Member]
Loans	7,967	4,988
Commercial Portfolio Segment [Member]
Loans	71,916	82,274
Principal loan balance	71,916	82,274
Deferred loan origination fees and costs, net	(991)	(843)
Allowance for loan losses	(816)	(843)	(620)	(595)
Consumer Portfolio Segment [Member] \| Home Equity and Second Mortgage [Member]
Loans	50,356	52,001
Principal loan balance	50,356	52,001
Deferred loan origination fees and costs, net	1,106	1,100
Allowance for loan losses	(622)	(617)	(550)	(515)
Consumer Portfolio Segment [Member] \| Automobile Loan [Member]
Loans	43,326	43,770
Consumer Portfolio Segment [Member] \| Loans Secured by Deposits [Member]
Loans	962	1,083
Consumer Portfolio Segment [Member] \| Unsecured Loan [Member]
Loans	2,465	2,766
Consumer Portfolio Segment [Member] \| Other Consumer Loan [Member]
Loans	15,544	16,117
Principal loan balance	62,297	63,736
Deferred loan origination fees and costs, net	0	0
Allowance for loan losses	$ (1,057)	$ (1,067)	$ (957)	$ (948)

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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