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

Note 8 - Fair Value of Financial Instruments - Carrying Amounts and Estimated Fair Value Hierarchy of Certain Financial Information (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Reported Value Measurement [Member]
Loans, net	$ 95,378		$ 96,534
Interest-bearing deposits	173,420		186,531
Loans held for sale		$ 104
Estimate of Fair Value Measurement [Member]
Loans, net	97,213		96,391
Interest-bearing deposits	155,984		181,564
Loans held for sale		112
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member]
Loans, net	0		0
Interest-bearing deposits	0		0
Loans held for sale		0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member]
Loans, net	96,444		95,612
Interest-bearing deposits	155,984		181,564
Loans held for sale		112
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member]
Loans, net	769		779
Interest-bearing deposits	$ 0		$ 0
Loans held for sale		$ 0