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Note 8 - Financial Instruments With Off-balance-sheet Risk - Unfunded Commitments (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Unfunded commitments, principal balance	$ 153,516	$ 104,000
Fair value of unfunded commitment liability	1,095	794
Avive Solutions Inc [Member]
Unfunded commitments, principal balance	10,000	0
Fair value of unfunded commitment liability	0	0
Bastille Buyer, Inc. [Member]
Unfunded commitments, principal balance	2,727	0
Fair value of unfunded commitment liability	25	0
Britecore Holdings, Inc. [Member]
Unfunded commitments, principal balance	5,000	5,000
Fair value of unfunded commitment liability	50	50
Ceribell, Inc. [Member]
Unfunded commitments, principal balance	14,000	21,000
Fair value of unfunded commitment liability	80	120
Crafty Holdings, Inc.[Member]
Unfunded commitments, principal balance	0	3,000
Fair value of unfunded commitment liability	0	39
Glass Routes, LLC [Member]
Unfunded commitments, principal balance	1,753	0
Fair value of unfunded commitment liability	0	0
GT Medical Technologies, Inc. [Member]
Unfunded commitments, principal balance	0	20,000
Fair value of unfunded commitment liability	0	100
HiveMQ Inc. [Member]
Unfunded commitments, principal balance	15,000	0
Fair value of unfunded commitment liability	150	0
Hyperfine Inc [Member]
Unfunded commitments, principal balance	25,000	0
Fair value of unfunded commitment liability	298	0
InfoBionic, Inc [Member]
Unfunded commitments, principal balance	2,500	5,000
Fair value of unfunded commitment liability	25	50
Long Grove Pharmaceuticals, LLC [Member]
Unfunded commitments, principal balance	10,000	10,000
Fair value of unfunded commitment liability	75	75
MasteryPrep, LLC [Member]
Unfunded commitments, principal balance	2,500	5,000
Fair value of unfunded commitment liability	25	50
MML US, Inc [Member]
Unfunded commitments, principal balance	10,000	20,000
Fair value of unfunded commitment liability	50	100
Ossio Inc [Member]
Unfunded commitments, principal balance	2,500	0
Fair value of unfunded commitment liability	0	0
Pelthos Therapeutics, Inc. [Member]
Unfunded commitments, principal balance	20,000	0
Fair value of unfunded commitment liability	0	0
Phigenics Holdings, Inc. [Member]
Unfunded commitments, principal balance	536	0
Fair value of unfunded commitment liability	7	0
Samba TV, Inc. [Member]
Unfunded commitments, principal balance	5,000	5,000
Fair value of unfunded commitment liability	75	75
Sonex Health, Inc. [Member]
Unfunded commitments, principal balance	10,000	0
Fair value of unfunded commitment liability	100	0
Sparkcharge, Inc. [Member]
Unfunded commitments, principal balance	0	5,000
Fair value of unfunded commitment liability	0	73
Stellar Cyber, Inc. [Member]
Unfunded commitments, principal balance	10,000	0
Fair value of unfunded commitment liability	100	0
Supply Network Visibility Holdings, LLC [Member]
Unfunded commitments, principal balance	0	5,000
Fair value of unfunded commitment liability	0	62
Volt Bidco, Inc. [Member]
Unfunded commitments, principal balance	7,000	0
Fair value of unfunded commitment liability	$ 35	$ 0

X

- Definition

The fair value of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-11

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-10

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- Definition

The face amount of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-11

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 825
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478898/942-825-50-1

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