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 Loan Losses - Credit Risk Profile of Loan Portfolio (Details)

Note 3 - Loans and Allowance for Loan Losses - Credit Risk Profile of Loan Portfolio (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Loan, current	$ 16,440		$ 16,440		$ 26,211
Loan, one year before	23,253		23,253		19,045
Loan, two years before	18,455		18,455		19,972
Loan, three years before	18,844		18,844		53,991
Loan, prior	51,702		51,702		1,564
Loan, revolving	2,870		2,870		0
Loan, revolving converted to term loans	0		0		120,783
Loans	131,564		131,564		120,783
Current year-to-date gross write-offs, current			0		0
Current year-to-date gross write-offs, one year before			0		0
Current year-to-date gross write-offs, two years before			0		0
Loan, three years before, writeoff			0		0
Loan, prior, write-offs			0		0
Loan, revolving, writeoff			0		0
Current year-to-date gross write-offs,Revolving, Converted to Term Loan			0		0
Charge-offs	0	$ 0	0	$ 0
First Mortgage Loans [Member]
Loans	131,330		131,330		120,535
First Mortgage Loans [Member] \| One To Four Family Residential [Member]
Loan, current	15,477		15,477		23,395
Loan, one year before	22,513		22,513		18,950
Loan, two years before	18,385		18,385		19,605
Loan, three years before	18,489		18,489		47,717
Loan, prior	45,650		45,650		1,414
Loan, revolving	2,298		2,298		0
Loan, revolving converted to term loans	0		0		111,081
Loans	122,812		122,812		111,081
Current year-to-date gross write-offs, current			0		0
Current year-to-date gross write-offs, one year before			0		0
Current year-to-date gross write-offs, two years before			0		0
Loan, three years before, writeoff			0		0
Loan, prior, write-offs			0		0
Loan, revolving, writeoff			0		0
Current year-to-date gross write-offs,Revolving, Converted to Term Loan			0		0
Charge-offs	0	0	0	0
First Mortgage Loans [Member] \| One To Four Family Residential [Member] \| Pass [Member]
Loan, current	15,477		15,477		23,395
Loan, one year before	22,513		22,513		18,950
Loan, two years before	18,385		18,385		19,605
Loan, three years before	18,489		18,489		47,517
Loan, prior	45,650		45,650		1,414
Loan, revolving	2,298		2,298		0
Loan, revolving converted to term loans	0		0		110,881
Loans	122,812		122,812
First Mortgage Loans [Member] \| One To Four Family Residential [Member] \| Special Mention [Member]
Loan, current	0		0		0
Loan, one year before	0		0		0
Loan, two years before	0		0		0
Loan, three years before	0		0		0
Loan, prior	0		0		0
Loan, revolving	0		0		0
Loan, revolving converted to term loans	0		0		0
Loans	0		0
First Mortgage Loans [Member] \| One To Four Family Residential [Member] \| Substandard [Member]
Loan, current	0		0		0
Loan, one year before	0		0		0
Loan, two years before	0		0		0
Loan, three years before	0		0		200
Loan, prior	0		0		0
Loan, revolving	0		0		0
Loan, revolving converted to term loans	0		0		200
Loans	0		0
First Mortgage Loans [Member] \| Multifamily [Member]
Loan, current	0		0		0
Loan, one year before	0		0		0
Loan, two years before	0		0		239
Loan, three years before	234		234		2,872
Loan, prior	2,817		2,817		0
Loan, revolving	0		0		0
Loan, revolving converted to term loans	0		0		3,111
Loans	3,051		3,051		3,111
Current year-to-date gross write-offs, current			0		0
Current year-to-date gross write-offs, one year before			0		0
Current year-to-date gross write-offs, two years before			0		0
Loan, three years before, writeoff			0		0
Loan, prior, write-offs			0		0
Loan, revolving, writeoff			0		0
Current year-to-date gross write-offs,Revolving, Converted to Term Loan			0		0
Charge-offs	0	0	0	0
First Mortgage Loans [Member] \| Multifamily [Member] \| Pass [Member]
Loan, current	0		0		0
Loan, one year before	0		0		0
Loan, two years before	0		0		239
Loan, three years before	234		234		2,872
Loan, prior	2,817		2,817		0
Loan, revolving	0		0		0
Loan, revolving converted to term loans	0		0		3,111
Loans	3,051		3,051
First Mortgage Loans [Member] \| Multifamily [Member] \| Special Mention [Member]
Loan, current	0		0		0
Loan, one year before	0		0		0
Loan, two years before	0		0		0
Loan, three years before	0		0		0
Loan, prior	0		0		0
Loan, revolving	0		0		0
Loan, revolving converted to term loans	0		0		0
Loans	0		0
First Mortgage Loans [Member] \| Multifamily [Member] \| Substandard [Member]
Loan, current	0		0		0
Loan, one year before	0		0		0
Loan, two years before	0		0		0
Loan, three years before	0		0		0
Loan, prior	0		0		0
Loan, revolving	0		0		0
Loan, revolving converted to term loans	0		0		0
Loans	0		0
First Mortgage Loans [Member] \| Commercial Real Estate [Member]
Loan, current	65		65		186
Loan, one year before	181		181		0
Loan, two years before	0		0		100
Loan, three years before	98		98		3,399
Loan, prior	3,233		3,233		150
Loan, revolving	572		572		0
Loan, revolving converted to term loans	0		0		3,835
Loans	4,149		4,149		3,835
Current year-to-date gross write-offs, current			0		0
Current year-to-date gross write-offs, one year before			0		0
Current year-to-date gross write-offs, two years before			0		0
Loan, three years before, writeoff			0		0
Loan, prior, write-offs			0		0
Loan, revolving, writeoff			0		0
Current year-to-date gross write-offs,Revolving, Converted to Term Loan			0		0
Charge-offs	0	0	0	0
First Mortgage Loans [Member] \| Commercial Real Estate [Member] \| Pass [Member]
Loan, current	65		65		186
Loan, one year before	181		181		0
Loan, two years before	0		0		100
Loan, three years before	98		98		3,399
Loan, prior	3,233		3,233		150
Loan, revolving	572		572		0
Loan, revolving converted to term loans	0		0		3,835
Loans	4,149		4,149
First Mortgage Loans [Member] \| Commercial Real Estate [Member] \| Special Mention [Member]
Loan, current	0		0		0
Loan, one year before	0		0		0
Loan, two years before	0		0		0
Loan, three years before	0		0		0
Loan, prior	0		0		0
Loan, revolving	0		0		0
Loan, revolving converted to term loans	0		0		0
Loans	0		0
First Mortgage Loans [Member] \| Commercial Real Estate [Member] \| Substandard [Member]
Loan, current	0		0		0
Loan, one year before	0		0		0
Loan, two years before	0		0		0
Loan, three years before	0		0		0
Loan, prior	0		0		0
Loan, revolving	0		0		0
Loan, revolving converted to term loans	0		0		0
Loans	0		0
First Mortgage Loans [Member] \| Construction Loans [Member]
Loan, current	851		851		2,508
Loan, one year before	467		467		0
Loan, two years before	0		0		0
Loan, three years before	0		0		0
Loan, prior	0		0		0
Loan, revolving	0		0		0
Loan, revolving converted to term loans	0		0		2,508
Loans	1,318		1,318		2,508
Current year-to-date gross write-offs, current			0		0
Current year-to-date gross write-offs, one year before			0		0
Current year-to-date gross write-offs, two years before			0		0
Loan, three years before, writeoff			0		0
Loan, prior, write-offs			0		0
Loan, revolving, writeoff			0		0
Current year-to-date gross write-offs,Revolving, Converted to Term Loan			0		0
Charge-offs	0	0	0	0
First Mortgage Loans [Member] \| Construction Loans [Member] \| Pass [Member]
Loan, current	851		851		2,508
Loan, one year before	467		467		0
Loan, two years before	0		0		0
Loan, three years before	0		0		0
Loan, prior	0		0		0
Loan, revolving	0		0		0
Loan, revolving converted to term loans	0		0		2,508
Loans	1,318		1,318
First Mortgage Loans [Member] \| Construction Loans [Member] \| Special Mention [Member]
Loan, current	0		0		0
Loan, one year before	0		0		0
Loan, two years before	0		0		0
Loan, three years before	0		0		0
Loan, prior	0		0		0
Loan, revolving	0		0		0
Loan, revolving converted to term loans	0		0		0
Loans	0		0
First Mortgage Loans [Member] \| Construction Loans [Member] \| Substandard [Member]
Loan, current	0		0		0
Loan, one year before	0		0		0
Loan, two years before	0		0		0
Loan, three years before	0		0		0
Loan, prior	0		0		0
Loan, revolving	0		0		0
Loan, revolving converted to term loans	0		0		0
Loans	0		0
Consumer Portfolio Segment [Member]
Loan, current	47		47		122
Loan, one year before	92		92		95
Loan, two years before	70		70		28
Loan, three years before	23		23		3
Loan, prior	2		2		0
Loan, revolving	0		0		0
Loan, revolving converted to term loans	0		0		248
Loans	234		234		248
Charge-offs	0	$ 0	0	$ 0
Consumer Portfolio Segment [Member] \| Pass [Member]
Loan, current	47		47		122
Loan, one year before	92		92		95
Loan, two years before	70		70		28
Loan, three years before	23		23		3
Loan, prior	2		2		0
Loan, revolving	0		0		0
Loan, revolving converted to term loans	0		0		248
Loans	234		234
Consumer Portfolio Segment [Member] \| Special Mention [Member]
Loan, current	0		0		0
Loan, one year before	0		0		0
Loan, two years before	0		0		0
Loan, three years before	0		0		0
Loan, prior	0		0		0
Loan, revolving	0		0		0
Loan, revolving converted to term loans	0		0		0
Loans	0		0
Consumer Portfolio Segment [Member] \| Substandard [Member]
Loan, current	0		0		0
Loan, one year before	0		0		0
Loan, two years before	0		0		0
Loan, three years before	0		0		0
Loan, prior	0		0		0
Loan, revolving	0		0		0
Loan, revolving converted to term loans	0		0		$ 0
Loans	$ 0		$ 0