NSTS Bancorp, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Loans and Allowance for Credit Losses - Changes in Allowance for Loan Losses (Details)

Note 3 - Loans and Allowance for Credit Losses - Changes in Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Beginning balance	$ 1,010	$ 769	$ 624	$ 779
Charge-offs	0	0	0	0
Recoveries	0	0	0	6
Net recoveries (charge-offs)	0	0	0	6
Provision for (release of) credit losses	51	(84)	53	(100)
Ending balance	1,061	685	1,061	685
Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance			384
First Mortgage Loans [Member] \| One To Four Family Residential [Member]
Beginning balance	928	713	581	675
Charge-offs	0	0	0	0
Recoveries	0	0	0	6
Net recoveries (charge-offs)	0	0	0	6
Provision for (release of) credit losses	56	(79)	68	(47)
Ending balance	984	634	984	634
First Mortgage Loans [Member] \| One To Four Family Residential [Member] \| Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance			335
First Mortgage Loans [Member] \| Multifamily [Member]
Beginning balance	41	26	19	69
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net recoveries (charge-offs)	0	0	0	0
Provision for (release of) credit losses	(2)	(2)	(3)	(45)
Ending balance	39	24	39	24
First Mortgage Loans [Member] \| Multifamily [Member] \| Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance			23
First Mortgage Loans [Member] \| Commercial Real Estate [Member]
Beginning balance	39	26	19	25
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net recoveries (charge-offs)	0	0	0	0
Provision for (release of) credit losses	(3)	(4)	(12)	(3)
Ending balance	36	22	36	22
First Mortgage Loans [Member] \| Commercial Real Estate [Member] \| Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance			29
First Mortgage Loans [Member] \| Construction Loans [Member]
Beginning balance	0	0	0	0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net recoveries (charge-offs)	0	0	0	0
Provision for (release of) credit losses	0	0	0	0
Ending balance	0	0	0	0
First Mortgage Loans [Member] \| Construction Loans [Member] \| Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance			0
Consumer Portfolio Segment [Member]
Beginning balance	2	4	5	10
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net recoveries (charge-offs)	0	0	0	0
Provision for (release of) credit losses	0	1	0	(5)
Ending balance	$ 2	$ 5	2	$ 5
Consumer Portfolio Segment [Member] \| Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance			$ (3)