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

Note 4 - Allowance for Loan Losses - Loan Balance Based on Risk Rating (Details)

Note 4 - Allowance for Loan Losses - Loan Balance Based on Risk Rating (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Loans	$ 96,501	$ 98,659
Pass [Member]
Loans	96,354	97,863
Special Mention [Member]
Loans	45	516
Substandard [Member]
Loans	102	280
Doubtful [Member]
Loans	0	0
First Mortgage Loans [Member]
Loans	96,129	98,274
First Mortgage Loans [Member] \| One To Four Family Residential [Member]
Loans	88,028	87,198
First Mortgage Loans [Member] \| One To Four Family Residential [Member] \| Pass [Member]
Loans	87,881	86,501
First Mortgage Loans [Member] \| One To Four Family Residential [Member] \| Special Mention [Member]
Loans	45	417
First Mortgage Loans [Member] \| One To Four Family Residential [Member] \| Substandard [Member]
Loans	102	280
First Mortgage Loans [Member] \| One To Four Family Residential [Member] \| Doubtful [Member]
Loans	0	0
First Mortgage Loans [Member] \| Multifamily [Member]
Loans	3,497	5,736
First Mortgage Loans [Member] \| Multifamily [Member] \| Pass [Member]
Loans	3,497	5,736
First Mortgage Loans [Member] \| Multifamily [Member] \| Special Mention [Member]
Loans	0	0
First Mortgage Loans [Member] \| Multifamily [Member] \| Substandard [Member]
Loans	0	0
First Mortgage Loans [Member] \| Multifamily [Member] \| Doubtful [Member]
Loans	0	0
First Mortgage Loans [Member] \| Commercial Real Estate [Member]
Loans	4,604	5,340
First Mortgage Loans [Member] \| Commercial Real Estate [Member] \| Pass [Member]
Loans	4,604	5,340
First Mortgage Loans [Member] \| Commercial Real Estate [Member] \| Special Mention [Member]
Loans	0	0
First Mortgage Loans [Member] \| Commercial Real Estate [Member] \| Substandard [Member]
Loans	0	0
First Mortgage Loans [Member] \| Commercial Real Estate [Member] \| Doubtful [Member]
Loans	0	0
Consumer Portfolio Segment [Member]
Loans	372	385
Consumer Portfolio Segment [Member] \| Pass [Member]
Loans	372	286
Consumer Portfolio Segment [Member] \| Special Mention [Member]
Loans	0	99
Consumer Portfolio Segment [Member] \| Substandard [Member]
Loans	0	0
Consumer Portfolio Segment [Member] \| Doubtful [Member]
Loans	$ 0	$ 0