Note 3 - Loans - Composition of Company's Loan Portfolio, Excluding Loans Held for Sale (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022
Total loans	$ 692,664		$ 651,928
Net deferred loan fees	(218)		(192)
Allowance for credit losses	(5,389)		(5,609)
Loans, net	687,057		646,127
Mortgage Receivable [Member]
Total loans	596,905		560,009
Mortgage Receivable [Member] \| Commercial Real Estate Portfolio Segment [Member]
Total loans	216,379		208,429
Allowance for credit losses	(1,631)	$ (1,576)	(1,713)	$ (1,661)	$ (1,586)	$ (2,303)
Mortgage Receivable [Member] \| Residential Portfolio Segment [Member]
Total loans	297,887		273,383
Allowance for credit losses	(2,393)	(2,286)	(2,034)	(1,932)	(1,811)	(2,607)
Mortgage Receivable [Member] \| Real Estate Construction Loan [Member]
Total loans	82,639		78,197
Allowance for credit losses	(569)	(621)	(559)	(473)	(544)	(922)
Loans and Finance Receivables [Member]
Total loans	692,664		651,928
Allowance for credit losses	(5,389)	(5,282)	(5,609)	(4,899)	(4,729)	(7,145)
Loans and Finance Receivables [Member] \| Commercial Portfolio Segment [Member]
Total loans	89,788		85,983
Allowance for credit losses	(775)	(782)	(1,272)	(817)	(771)	(1,223)
Loans and Finance Receivables [Member] \| Consumer Portfolio Segment [Member]
Total loans	5,971		5,936
Allowance for credit losses	$ (21)	$ (17)	$ (31)	$ (16)	$ (17)	$ (90)

Prime Meridian Holding Co 10-Q