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Note 4 - Loans Receivable - Risk Categories of Loans By Class of Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Loans receivable	$ 1,053,896	$ 1,009,958
Pass [Member]
Loans receivable	1,051,215	1,000,241
Special Mention [Member]
Loans receivable	328	2,030
Substandard [Member]
Loans receivable	1,707	6,466
Nonaccrual [Member]
Loans receivable	646	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	25,100	33,375
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Owner Occupied [Member] | Pass [Member]
Loans receivable	24,362	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	397	452
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Owner Occupied [Member] | Nonaccrual [Member]
Loans receivable	341	834
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Non-owner Occupied [Member]
Loans receivable	6,729	8,316
Real Estate Portfolio [Member] | One-to-Four Family Residential Real Estate, Non-owner Occupied [Member] | Pass [Member]
Loans receivable	6,617	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	112	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	435,634	452,241
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | ILLINOIS
Loans receivable	232,181	222,029
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Other [Member]
Loans receivable	203,453	230,212
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Pass [Member] | ILLINOIS
Loans receivable	231,855	222,029
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Pass [Member] | Other [Member]
Loans receivable	203,453	230,212
Real Estate Portfolio [Member] | Multi-family Mortgage [Member] | Special Mention [Member] | ILLINOIS
Loans receivable	326	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	100,469	108,658
Real Estate Portfolio [Member] | Nonresidential Real Estate [Member] | Pass [Member]
Loans receivable	100,173	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	296	296
Commercial Portfolio Segment [Member]
Loans receivable	483,705	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	79,873	77,695
Commercial Portfolio Segment [Member] | Commercial Lines and Loans for Operations [Member] | Pass [Member]
Loans receivable	79,873	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	14,716	1,740
Commercial Portfolio Segment [Member] | Asset-based [Member] | Pass [Member]
Loans receivable	14,716	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	159,179	102,740
Finance Leases Portfolio Segment [Member] | Equipment Finance Leases, Government [Member] | Pass [Member]
Loans receivable	159,179	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	78,822	88,594
Finance Leases Portfolio Segment [Member] | Investment Rated Commercial Leases [Member] | Pass [Member]
Loans receivable	78,813	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	9	0
Finance Leases Portfolio Segment [Member] | Other [Member]
Loans receivable	109,683	126,017
Finance Leases Portfolio Segment [Member] | Other [Member] | Pass [Member]
Loans receivable	108,492	125,012
Finance Leases Portfolio Segment [Member] | Other [Member] | Special Mention [Member]
Loans receivable	0	0
Finance Leases Portfolio Segment [Member] | Other [Member] | Substandard [Member]
Loans receivable	1,191	1,005
Finance Leases Portfolio Segment [Member] | Other [Member] | Nonaccrual [Member]
Loans receivable	0	0
Finance Leases Portfolio Segment [Member] | Middle Market Leases [Member]
Loans receivable	33,125	6,988
Finance Leases Portfolio Segment [Member] | Middle Market Leases [Member] | Pass [Member]
Loans receivable	33,125	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	8,307	1,283
Finance Leases Portfolio Segment [Member] | Small Ticket Leases [Member] | Pass [Member]
Loans receivable	8,307	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	1,760	1,812
Consumer Portfolio Segment [Member] | Pass [Member]
Loans receivable	1,751	1,802
Consumer Portfolio Segment [Member] | Special Mention [Member]
Loans receivable	2	5
Consumer Portfolio Segment [Member] | Substandard [Member]
Loans receivable	7	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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