NSTS Bancorp, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Note 4 - Allowance for Loan Losses - Credit Risk Profile of Loan Portfolio (Details)

Note 4 - Allowance for Loan Losses - Credit Risk Profile of Loan Portfolio (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Loan, current	$ 26,211
Loan, one year before	19,045
Loan, two years before	19,972
Loan, prior	53,991
Loan, revolving	1,564
Loan, revolving converted to term loans	0
Loans	120,783	$ 102,991
Current year-to-date gross write-offs, current	0
Current year-to-date gross write-offs, one year before	0
Current year-to-date gross write-offs, two years before	0
Current year-to-date gross write-offs, prior	0
Current year-to-date gross write-offs, revolving	0
Current year-to-date gross write-offs,Revolving, Converted to Term Loan	0
Charge-offs	0	0
Pass [Member]
Loans		102,760
Special Mention [Member]
Loans		43
Substandard [Member]
Loans		188
Doubtful [Member]
Loans		0
First Mortgage Loans [Member]
Loans	120,535	102,742
First Mortgage Loans [Member] \| One To Four Family Residential [Member]
Loan, current	23,395
Loan, one year before	18,950
Loan, two years before	19,605
Loan, prior	47,717
Loan, revolving	1,414
Loan, revolving converted to term loans	0
Loans	111,081	95,584
Current year-to-date gross write-offs, current	0
Current year-to-date gross write-offs, one year before	0
Current year-to-date gross write-offs, two years before	0
Current year-to-date gross write-offs, prior	0
Current year-to-date gross write-offs, revolving	0
Current year-to-date gross write-offs,Revolving, Converted to Term Loan	0
Charge-offs	0	0
First Mortgage Loans [Member] \| One To Four Family Residential [Member] \| Pass [Member]
Loan, current	23,395
Loan, one year before	18,950
Loan, two years before	19,605
Loan, prior	47,517
Loan, revolving	1,414
Loan, revolving converted to term loans	0
Loans	110,881	95,353
First Mortgage Loans [Member] \| One To Four Family Residential [Member] \| Special Mention [Member]
Loan, current	0
Loan, one year before	0
Loan, two years before	0
Loan, prior	0
Loan, revolving	0
Loan, revolving converted to term loans	0
Loans	0	43
First Mortgage Loans [Member] \| One To Four Family Residential [Member] \| Substandard [Member]
Loan, current	0
Loan, one year before	0
Loan, two years before	0
Loan, prior	200
Loan, revolving	0
Loan, revolving converted to term loans	0
Loans	200	188
First Mortgage Loans [Member] \| One To Four Family Residential [Member] \| Doubtful [Member]
Loans		0
First Mortgage Loans [Member] \| Multifamily [Member]
Loan, current	0
Loan, one year before	0
Loan, two years before	239
Loan, prior	2,872
Loan, revolving	0
Loan, revolving converted to term loans	0
Loans	3,111	3,237
Current year-to-date gross write-offs, current	0
Current year-to-date gross write-offs, one year before	0
Current year-to-date gross write-offs, two years before	0
Current year-to-date gross write-offs, prior	0
Current year-to-date gross write-offs, revolving	0
Current year-to-date gross write-offs,Revolving, Converted to Term Loan	0
Charge-offs	0	0
First Mortgage Loans [Member] \| Multifamily [Member] \| Pass [Member]
Loan, current	0
Loan, one year before	0
Loan, two years before	239
Loan, prior	2,872
Loan, revolving	0
Loan, revolving converted to term loans	0
Loans	3,111	3,237
First Mortgage Loans [Member] \| Multifamily [Member] \| Special Mention [Member]
Loan, current	0
Loan, one year before	0
Loan, two years before	0
Loan, prior	0
Loan, revolving	0
Loan, revolving converted to term loans	0
Loans	0	0
First Mortgage Loans [Member] \| Multifamily [Member] \| Substandard [Member]
Loan, current	0
Loan, one year before	0
Loan, two years before	0
Loan, prior	0
Loan, revolving	0
Loan, revolving converted to term loans	0
Loans	0	0
First Mortgage Loans [Member] \| Multifamily [Member] \| Doubtful [Member]
Loans		0
First Mortgage Loans [Member] \| Commercial Real Estate [Member]
Loan, current	186
Loan, one year before	0
Loan, two years before	100
Loan, prior	3,399
Loan, revolving	150
Loan, revolving converted to term loans	0
Loans	3,835	3,921
Current year-to-date gross write-offs, current	0
Current year-to-date gross write-offs, one year before	0
Current year-to-date gross write-offs, two years before	0
Current year-to-date gross write-offs, prior	0
Current year-to-date gross write-offs, revolving	0
Current year-to-date gross write-offs,Revolving, Converted to Term Loan	0
Charge-offs	0	0
First Mortgage Loans [Member] \| Commercial Real Estate [Member] \| Pass [Member]
Loan, current	186
Loan, one year before	0
Loan, two years before	100
Loan, prior	3,399
Loan, revolving	150
Loan, revolving converted to term loans	0
Loans	3,835	3,921
First Mortgage Loans [Member] \| Commercial Real Estate [Member] \| Special Mention [Member]
Loan, current	0
Loan, one year before	0
Loan, two years before	0
Loan, prior	0
Loan, revolving	0
Loan, revolving converted to term loans	0
Loans	0	0
First Mortgage Loans [Member] \| Commercial Real Estate [Member] \| Substandard [Member]
Loan, current	0
Loan, one year before	0
Loan, two years before	0
Loan, prior	0
Loan, revolving	0
Loan, revolving converted to term loans	0
Loans	0	0
First Mortgage Loans [Member] \| Commercial Real Estate [Member] \| Doubtful [Member]
Loans		0
First Mortgage Loans [Member] \| Construction Loans [Member]
Loan, current	2,508
Loan, one year before	0
Loan, two years before	0
Loan, prior	0
Loan, revolving	0
Loan, revolving converted to term loans	0
Loans	2,508	0
Current year-to-date gross write-offs, current	0
Current year-to-date gross write-offs, one year before	0
Current year-to-date gross write-offs, two years before	0
Current year-to-date gross write-offs, prior	0
Current year-to-date gross write-offs, revolving	0
Current year-to-date gross write-offs,Revolving, Converted to Term Loan	0
Charge-offs	0
First Mortgage Loans [Member] \| Construction Loans [Member] \| Pass [Member]
Loan, current	2,508
Loan, one year before	0
Loan, two years before	0
Loan, prior	0
Loan, revolving	0
Loan, revolving converted to term loans	0
Loans	2,508
First Mortgage Loans [Member] \| Construction Loans [Member] \| Special Mention [Member]
Loan, current	0
Loan, one year before	0
Loan, two years before	0
Loan, prior	0
Loan, revolving	0
Loan, revolving converted to term loans	0
Loans	0
First Mortgage Loans [Member] \| Construction Loans [Member] \| Substandard [Member]
Loan, current	0
Loan, one year before	0
Loan, two years before	0
Loan, prior	0
Loan, revolving	0
Loan, revolving converted to term loans	0
Loans	0
Consumer Portfolio Segment [Member]
Loan, current	122
Loan, one year before	95
Loan, two years before	28
Loan, prior	3
Loan, revolving	0
Loan, revolving converted to term loans	0
Loans	248	249
Charge-offs	0	0
Consumer Portfolio Segment [Member] \| Pass [Member]
Loan, current	122
Loan, one year before	95
Loan, two years before	28
Loan, prior	3
Loan, revolving	0
Loan, revolving converted to term loans	0
Loans	248	249
Consumer Portfolio Segment [Member] \| Special Mention [Member]
Loan, current	0
Loan, one year before	0
Loan, two years before	0
Loan, prior	0
Loan, revolving	0
Loan, revolving converted to term loans	0
Loans	0	0
Consumer Portfolio Segment [Member] \| Substandard [Member]
Loan, current	0
Loan, one year before	0
Loan, two years before	0
Loan, prior	0
Loan, revolving	0
Loan, revolving converted to term loans	0
Loans	$ 0	0
Consumer Portfolio Segment [Member] \| Doubtful [Member]
Loans		$ 0