Note 6 - Loans Receivable, Net and Allowance for Credit Losses - Changes in the Allowance for Loan Losses and Recorded Investment in Loans Receivable (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024	Mar. 31, 2025
Allowance for loan losses, ending balance		$ 7,504	$ 6,476	$ 6,758	$ 6,758
Charge-offs	$ (278)	(114)	(1,301)	(452)	(1,798)
Recoveries	11	3	96	3
Provision	433	0	1,221	1,084
Allowance for loan losses, ending balance	6,492	7,393	6,492	7,393	6,476
Loans receivable, allowance for credit losses	6,492	7,393	6,492	7,393	6,476	$ 6,326
Commercial and Consumer Portfolio Segments [Member]
Allowance for loan losses, ending balance		3,191	3,130	2,538	2,538
Charge-offs	(278)	(114)	(1,301)	(452)
Recoveries	11	3	96	3
Provision	201	(164)	744	827
Allowance for loan losses, ending balance	2,669	2,916	2,669	2,916	3,130
Loans receivable, allowance for credit losses	2,669	2,916	2,669	2,916	3,130	2,735
One-to-four Family Residential Owner Occupied Loans [Member] \| Real Estate Portfolio Segment [Member]
Allowance for loan losses, ending balance		166	177	153	153
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	45	13	138	26
Allowance for loan losses, ending balance	315	179	315	179	177
Loans receivable, allowance for credit losses	315	179	315	179	177	270
One-to-four Family Residential Non-owner Occupied Loans [Member] \| Real Estate Portfolio Segment [Member]
Allowance for loan losses, ending balance		210	178	219	219
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	(4)	(4)	(14)	(13)
Allowance for loan losses, ending balance	164	206	164	206	178
Loans receivable, allowance for credit losses	164	206	164	206	178	168
Multi-family (Five Or More) Residential Loans [Member] \| Real Estate Portfolio Segment [Member]
Allowance for loan losses, ending balance		427	442	420	420
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	(8)	374	(139)	381
Allowance for loan losses, ending balance	303	801	303	801	442
Loans receivable, allowance for credit losses	303	801	303	801	442	311
Commercial Real Estate and Lines of Credit [Member] \| Real Estate Portfolio Segment [Member]
Allowance for loan losses, ending balance		2,881	2,337	2,784	2,784
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	134	(112)	161	(15)
Allowance for loan losses, ending balance	2,498	2,769	2,498	2,769	2,337
Loans receivable, allowance for credit losses	2,498	2,769	2,498	2,769	2,337	2,364
Construction Loans [Member] \| Real Estate Portfolio Segment [Member]
Allowance for loan losses, ending balance		563	156	583	583
Charge-offs	0	0	0	0	(187)
Recoveries	0	0	0	0
Provision	86	(104)	333	(124)
Allowance for loan losses, ending balance	489	459	489	459	156
Loans receivable, allowance for credit losses	489	459	489	459	156	403
Home Equity Loan [Member] \| Real Estate Portfolio Segment [Member]
Allowance for loan losses, ending balance		66	56	61	61
Charge-offs	0	0	0	0	0
Recoveries	0	0	0	0
Provision	(21)	(3)	(2)	2
Allowance for loan losses, ending balance	54	63	54	63	56
Loans receivable, allowance for credit losses	$ 54	$ 63	$ 54	$ 63	$ 56	$ 75

QUAINT OAK BANCORP, INC. 10-Q