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Note 4 - Loans Receivable - Risk Categories of Loans By Class of Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Loans receivable	$ 1,050,638	$ 1,009,958
Pass [Member]
Loans receivable	1,047,962	1,000,241
Special Mention [Member]
Loans receivable	1,454	2,030
Substandard [Member]
Loans receivable	482	6,466
Nonaccrual [Member]
Loans receivable	740	1,221
Construction and Land Loans [Member]
Loans receivable	0	499
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Owner Occupied [Member]
Loans receivable	24,131	33,375
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Owner Occupied [Member] | Pass [Member]
Loans receivable	23,396	32,089
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Owner Occupied [Member] | Special Mention [Member]
Loans receivable	0	0
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Owner Occupied [Member] | Substandard [Member]
Loans receivable	368	452
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Owner Occupied [Member] | Nonaccrual [Member]
Loans receivable	367	834
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Non-owner Occupied [Member]
Loans receivable	6,002	8,316
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Non-owner Occupied [Member] | Pass [Member]
Loans receivable	5,894	8,164
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Non-owner Occupied [Member] | Special Mention [Member]
Loans receivable	0	27
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Non-owner Occupied [Member] | Substandard [Member]
Loans receivable	108	34
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Non-owner Occupied [Member] | Nonaccrual [Member]
Loans receivable	0	91
Real Estate Portfolio [Member] | Multi-family Mortgage [Member]
Loans receivable	426,136	452,241
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | ILLINOIS
Loans receivable	235,870	222,029
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Other [Member]
Loans receivable	190,266	230,212
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Pass [Member] | ILLINOIS
Loans receivable	235,545	222,029
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Pass [Member] | Other [Member]
Loans receivable	190,266	230,212
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Special Mention [Member] | ILLINOIS
Loans receivable	325	0
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Special Mention [Member] | Other [Member]
Loans receivable	0	0
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Substandard [Member] | ILLINOIS
Loans receivable	0	0
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Substandard [Member] | Other [Member]
Loans receivable	0	0
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Nonaccrual [Member] | ILLINOIS
Loans receivable	0	0
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Nonaccrual [Member] | Other [Member]
Loans receivable	0	0
Real Estate Portfolio [Member] | Nonresidential Real Estate [Member]
Loans receivable	103,172	108,658
Real Estate Portfolio [Member] | Nonresidential Real Estate [Member] | Pass [Member]
Loans receivable	102,875	106,280
Real Estate Portfolio [Member] | Nonresidential Real Estate [Member] | Special Mention [Member]
Loans receivable	0	1,998
Real Estate Portfolio [Member] | Nonresidential Real Estate [Member] | Substandard [Member]
Loans receivable	0	84
Real Estate Portfolio [Member] | Nonresidential Real Estate [Member] | Nonaccrual [Member]
Loans receivable	297	296
Commercial Portfolio Segment [Member]
Loans receivable	489,512	405,057
Commercial Portfolio Segment [Member] | Construction and Land Loans [Member]
Loans receivable		499
Commercial Portfolio Segment [Member] | Construction and Land Loans [Member] | Pass [Member]
Loans receivable		499
Commercial Portfolio Segment [Member] | Construction and Land Loans [Member] | Special Mention [Member]
Loans receivable		0
Commercial Portfolio Segment [Member] | Construction and Land Loans [Member] | Substandard [Member]
Loans receivable		0
Commercial Portfolio Segment [Member] | Construction and Land Loans [Member] | Nonaccrual [Member]
Loans receivable		0
Commercial Portfolio Segment [Member] | Commercial Lines and Loans for Operations [Member]
Loans receivable	67,995	77,695
Commercial Portfolio Segment [Member] | Commercial Lines and Loans for Operations [Member] | Pass [Member]
Loans receivable	67,995	72,809
Commercial Portfolio Segment [Member] | Commercial Lines and Loans for Operations [Member] | Special Mention [Member]
Loans receivable	0	0
Commercial Portfolio Segment [Member] | Commercial Lines and Loans for Operations [Member] | Substandard [Member]
Loans receivable	0	4,886
Commercial Portfolio Segment [Member] | Commercial Lines and Loans for Operations [Member] | Nonaccrual [Member]
Loans receivable	0	0
Commercial Portfolio Segment [Member] | Asset-based [Member]
Loans receivable	19,400	1,740
Commercial Portfolio Segment [Member] | Asset-based [Member] | Pass [Member]
Loans receivable	19,400	1,740
Commercial Portfolio Segment [Member] | Asset-based [Member] | Special Mention [Member]
Loans receivable	0	0
Commercial Portfolio Segment [Member] | Asset-based [Member] | Substandard [Member]
Loans receivable	0	0
Commercial Portfolio Segment [Member] | Asset-based [Member] | Nonaccrual [Member]
Loans receivable	0	0
Finance Leases Portfolio Segment [Member] | Equipment Finance Leases, Government [Member]
Loans receivable	178,462	102,740
Finance Leases Portfolio Segment [Member] | Equipment Finance Leases, Government [Member] | Pass [Member]
Loans receivable	178,427	102,740
Finance Leases Portfolio Segment [Member] | Equipment Finance Leases, Government [Member] | Special Mention [Member]
Loans receivable	35	0
Finance Leases Portfolio Segment [Member] | Equipment Finance Leases, Government [Member] | Substandard [Member]
Loans receivable	0	0
Finance Leases Portfolio Segment [Member] | Equipment Finance Leases, Government [Member] | Nonaccrual [Member]
Loans receivable	0	0
Finance Leases Portfolio Segment [Member] | Investment Rated Commercial Leases [Member]
Loans receivable	82,626	88,594
Finance Leases Portfolio Segment [Member] | Investment Rated Commercial Leases [Member] | Pass [Member]
Loans receivable	82,626	88,594
Finance Leases Portfolio Segment [Member] | Investment Rated Commercial Leases [Member] | Special Mention [Member]
Loans receivable	0	0
Finance Leases Portfolio Segment [Member] | Investment Rated Commercial Leases [Member] | Substandard [Member]
Loans receivable	0	0
Finance Leases Portfolio Segment [Member] | Investment Rated Commercial Leases [Member] | Nonaccrual [Member]
Loans receivable	0	0
Finance Leases Portfolio Segment [Member] | Other [Member]
Loans receivable	88,851	126,017
Finance Leases Portfolio Segment [Member] | Other [Member] | Pass [Member]
Loans receivable	87,685	125,012
Finance Leases Portfolio Segment [Member] | Other [Member] | Special Mention [Member]
Loans receivable	1,090	0
Finance Leases Portfolio Segment [Member] | Other [Member] | Substandard [Member]
Loans receivable	0	1,005
Finance Leases Portfolio Segment [Member] | Other [Member] | Nonaccrual [Member]
Loans receivable	76	0
Finance Leases Portfolio Segment [Member] | Middle Market Leases [Member]
Loans receivable	40,582	6,988
Finance Leases Portfolio Segment [Member] | Middle Market Leases [Member] | Pass [Member]
Loans receivable	40,582	6,988
Finance Leases Portfolio Segment [Member] | Middle Market Leases [Member] | Special Mention [Member]
Loans receivable	0	0
Finance Leases Portfolio Segment [Member] | Middle Market Leases [Member] | Substandard [Member]
Loans receivable	0	0
Finance Leases Portfolio Segment [Member] | Middle Market Leases [Member] | Nonaccrual [Member]
Loans receivable	0	0
Finance Leases Portfolio Segment [Member] | Small Ticket Leases [Member]
Loans receivable	11,596	1,283
Finance Leases Portfolio Segment [Member] | Small Ticket Leases [Member] | Pass [Member]
Loans receivable	11,596	1,283
Finance Leases Portfolio Segment [Member] | Small Ticket Leases [Member] | Special Mention [Member]
Loans receivable	0	0
Finance Leases Portfolio Segment [Member] | Small Ticket Leases [Member] | Substandard [Member]
Loans receivable	0	0
Finance Leases Portfolio Segment [Member] | Small Ticket Leases [Member] | Nonaccrual [Member]
Loans receivable	0	0
Consumer Portfolio Segment [Member]
Loans receivable	1,685	1,812
Consumer Portfolio Segment [Member] | Pass [Member]
Loans receivable	1,675	1,802
Consumer Portfolio Segment [Member] | Special Mention [Member]
Loans receivable	4	5
Consumer Portfolio Segment [Member] | Substandard [Member]
Loans receivable	6	5
Consumer Portfolio Segment [Member] | Nonaccrual [Member]
Loans receivable	$ 0	$ 0

X

- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

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