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Note 4 - Loans Receivable - Risk Categories of Loans By Class of Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Loans receivable	$ 1,036,175	$ 1,009,958
Pass [Member]
Loans receivable	1,031,867	1,000,241
Special Mention [Member]
Loans receivable	2,903	2,030
Substandard [Member]
Loans receivable	725	6,466
Nonaccrual [Member]
Loans receivable	680	1,221
Construction and Land Loans [Member]
Loans receivable	499	499
Construction and Land Loans [Member] | Pass [Member]
Loans receivable	499
Construction and Land Loans [Member] | Special Mention [Member]
Loans receivable	0
Construction and Land Loans [Member] | Substandard [Member]
Loans receivable	0
Construction and Land Loans [Member] | Nonaccrual [Member]
Loans receivable	0
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Owner Occupied [Member]
Loans receivable	30,754	33,375
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Owner Occupied [Member] | Pass [Member]
Loans receivable	29,864	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	506	452
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Owner Occupied [Member] | Nonaccrual [Member]
Loans receivable	384	834
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Non-owner Occupied [Member]
Loans receivable	7,482	8,316
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Non-owner Occupied [Member] | Pass [Member]
Loans receivable	7,334	8,164
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Non-owner Occupied [Member] | Special Mention [Member]
Loans receivable	26	27
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Non-owner Occupied [Member] | Substandard [Member]
Loans receivable	122	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	440,824	452,241
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | ILLINOIS
Loans receivable	225,398	222,029
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Other [Member]
Loans receivable	215,426	230,212
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Pass [Member] | ILLINOIS
Loans receivable	225,398	222,029
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Pass [Member] | Other [Member]
Loans receivable	215,426	230,212
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Special Mention [Member] | ILLINOIS
Loans receivable	0	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	112,154	108,658
Real Estate Portfolio [Member] | Nonresidential Real Estate [Member] | Pass [Member]
Loans receivable	109,753	106,280
Real Estate Portfolio [Member] | Nonresidential Real Estate [Member] | Special Mention [Member]
Loans receivable	2,023	1,998
Real Estate Portfolio [Member] | Nonresidential Real Estate [Member] | Substandard [Member]
Loans receivable	82	84
Real Estate Portfolio [Member] | Nonresidential Real Estate [Member] | Nonaccrual [Member]
Loans receivable	296	296
Commercial Portfolio Segment [Member]
Loans receivable	442,706	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	79,096	77,695
Commercial Portfolio Segment [Member] | Commercial Lines and Loans for Operations [Member] | Pass [Member]
Loans receivable	79,096	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	1,889	1,740
Commercial Portfolio Segment [Member] | Asset-based [Member] | Pass [Member]
Loans receivable	1,889	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	147,572	102,740
Finance Leases Portfolio Segment [Member] | Equipment Finance Leases, Government [Member] | Pass [Member]
Loans receivable	147,572	102,740
Finance Leases Portfolio Segment [Member] | Equipment Finance Leases, Government [Member] | Special Mention [Member]
Loans receivable	0	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	80,151	87,260
Finance Leases Portfolio Segment [Member] | Investment Rated Commercial Leases [Member] | Pass [Member]
Loans receivable	80,151	87,260
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	133,998	135,622
Finance Leases Portfolio Segment [Member] | Other [Member] | Pass [Member]
Loans receivable	133,136	134,617
Finance Leases Portfolio Segment [Member] | Other [Member] | Special Mention [Member]
Loans receivable	851	0
Finance Leases Portfolio Segment [Member] | Other [Member] | Substandard [Member]
Loans receivable	11	1,005
Finance Leases Portfolio Segment [Member] | Other [Member] | Nonaccrual [Member]
Loans receivable	0	0
Consumer Portfolio Segment [Member]
Loans receivable	1,756	1,812
Consumer Portfolio Segment [Member] | Pass [Member]
Loans receivable	1,749	1,802
Consumer Portfolio Segment [Member] | Special Mention [Member]
Loans receivable	3	5
Consumer Portfolio Segment [Member] | Substandard [Member]
Loans receivable	4	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=121593590&loc=d3e4428-111522

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