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 - Credit Risk Profile of Loan Portfolio (Details)

Note 3 - Loans and Allowance for Credit Losses - Credit Risk Profile of Loan Portfolio (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Loan, current	$ 6,434		$ 6,434
Loan, one year before	20,458		20,458
Loan, two years before	20,558		20,558
Loan, prior	56,196		56,196
Loan, revolving	1,135		1,135
Loan, revolving converted to term loans	0		0
Loans	104,781		104,781		$ 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	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	104,549		104,549		102,742
First Mortgage Loans [Member] \| One To Four Family Residential [Member]
Loan, current	4,688		4,688
Loan, one year before	20,334		20,334
Loan, two years before	20,179		20,179
Loan, prior	49,700		49,700
Loan, revolving	935		935
Loan, revolving converted to term loans	0		0
Loans	95,836		95,836		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	0	0
First Mortgage Loans [Member] \| One To Four Family Residential [Member] \| Pass [Member]
Loan, current	4,688		4,688
Loan, one year before	20,334		20,334
Loan, two years before	20,179		20,179
Loan, prior	49,520		49,520
Loan, revolving	935		935
Loan, revolving converted to term loans	0		0
Loans	95,656		95,656		95,353
First Mortgage Loans [Member] \| One To Four Family Residential [Member] \| Special Mention [Member]
Loan, current	0		0
Loan, one year before	0		0
Loan, two years before	0		0
Loan, prior	0		0
Loan, revolving	0		0
Loan, revolving converted to term loans	0		0
Loans	0		0		43
First Mortgage Loans [Member] \| One To Four Family Residential [Member] \| Substandard [Member]
Loan, current	0		0
Loan, one year before	0		0
Loan, two years before	0		0
Loan, prior	180		180
Loan, revolving	0		0
Loan, revolving converted to term loans	0		0
Loans	180		180		188
First Mortgage Loans [Member] \| One To Four Family Residential [Member] \| Doubtful [Member]
Loans					0
First Mortgage Loans [Member] \| Multifamily [Member]
Loan, current	0		0
Loan, one year before	0		0
Loan, two years before	243		243
Loan, prior	2,928		2,928
Loan, revolving	0		0
Loan, revolving converted to term loans	0		0
Loans	3,171		3,171		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	0	0
First Mortgage Loans [Member] \| Multifamily [Member] \| Pass [Member]
Loan, current	0		0
Loan, one year before	0		0
Loan, two years before	243		243
Loan, prior	2,928		2,928
Loan, revolving	0		0
Loan, revolving converted to term loans	0		0
Loans	3,171		3,171		3,237
First Mortgage Loans [Member] \| Multifamily [Member] \| Special Mention [Member]
Loan, current	0		0
Loan, one year before	0		0
Loan, two years before	0		0
Loan, prior	0		0
Loan, revolving	0		0
Loan, revolving converted to term loans	0		0
Loans	0		0		0
First Mortgage Loans [Member] \| Multifamily [Member] \| Substandard [Member]
Loan, current	0		0
Loan, one year before	0		0
Loan, two years before	0		0
Loan, prior	0		0
Loan, revolving	0		0
Loan, revolving converted to term loans	0		0
Loans	0		0		0
First Mortgage Loans [Member] \| Multifamily [Member] \| Doubtful [Member]
Loans					0
First Mortgage Loans [Member] \| Commercial Real Estate [Member]
Loan, current	149		149
Loan, one year before	0		0
Loan, two years before	102		102
Loan, prior	3,562		3,562
Loan, revolving	200		200
Loan, revolving converted to term loans	0		0
Loans	4,013		4,013		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	0	0
First Mortgage Loans [Member] \| Commercial Real Estate [Member] \| Pass [Member]
Loan, current	149		149
Loan, one year before	0		0
Loan, two years before	102		102
Loan, prior	3,562		3,562
Loan, revolving	200		200
Loan, revolving converted to term loans	0		0
Loans	4,013		4,013		3,921
First Mortgage Loans [Member] \| Commercial Real Estate [Member] \| Special Mention [Member]
Loan, current	0		0
Loan, one year before	0		0
Loan, two years before	0		0
Loan, prior	0		0
Loan, revolving	0		0
Loan, revolving converted to term loans	0		0
Loans	0		0		0
First Mortgage Loans [Member] \| Commercial Real Estate [Member] \| Substandard [Member]
Loan, current	0		0
Loan, one year before	0		0
Loan, two years before	0		0
Loan, prior	0		0
Loan, revolving	0		0
Loan, revolving converted to term loans	0		0
Loans	0		0		0
First Mortgage Loans [Member] \| Commercial Real Estate [Member] \| Doubtful [Member]
Loans					0
First Mortgage Loans [Member] \| Construction Loans [Member]
Loan, current	1,529		1,529
Loan, one year before	0		0
Loan, two years before	0		0
Loan, prior	0		0
Loan, revolving	0		0
Loan, revolving converted to term loans	0		0
Loans	1,529		1,529		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	0	0	0
First Mortgage Loans [Member] \| Construction Loans [Member] \| Pass [Member]
Loan, current	1,529		1,529
Loan, one year before	0		0
Loan, two years before	0		0
Loan, prior	0		0
Loan, revolving	0		0
Loan, revolving converted to term loans	0		0
Loans	1,529		1,529
First Mortgage Loans [Member] \| Construction Loans [Member] \| Special Mention [Member]
Loan, current	0		0
Loan, one year before	0		0
Loan, two years before	0		0
Loan, prior	0		0
Loan, revolving	0		0
Loan, revolving converted to term loans	0		0
Loans	0		0
First Mortgage Loans [Member] \| Construction Loans [Member] \| Substandard [Member]
Loan, current	0		0
Loan, one year before	0		0
Loan, two years before	0		0
Loan, prior	0		0
Loan, revolving	0		0
Loan, revolving converted to term loans	0		0
Loans	0		0
Consumer Portfolio Segment [Member]
Loan, current	68		68
Loan, one year before	124		124
Loan, two years before	34		34
Loan, prior	6		6
Loan, revolving	0		0
Loan, revolving converted to term loans	0		0
Loans	232		232		249
Charge-offs	0	$ 0	0	$ 0
Consumer Portfolio Segment [Member] \| Pass [Member]
Loan, current	68		68
Loan, one year before	124		124
Loan, two years before	34		34
Loan, prior	6		6
Loan, revolving	0		0
Loan, revolving converted to term loans	0		0
Loans	232		232		249
Consumer Portfolio Segment [Member] \| Special Mention [Member]
Loan, current	0		0
Loan, one year before	0		0
Loan, two years before	0		0
Loan, prior	0		0
Loan, revolving	0		0
Loan, revolving converted to term loans	0		0
Loans	0		0		0
Consumer Portfolio Segment [Member] \| Substandard [Member]
Loan, current	0		0
Loan, one year before	0		0
Loan, two years before	0		0
Loan, prior	0		0
Loan, revolving	0		0
Loan, revolving converted to term loans	0		0
Loans	$ 0		$ 0		0
Consumer Portfolio Segment [Member] \| Doubtful [Member]
Loans					$ 0