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Note 9 - Financial Instruments With Off-balance-sheet Risk - Unfunded Commitments (Details) $ in Thousands	Dec. 31, 2022 USD ($)
Unfunded commitments, principal balance	$ 190,000
Fair value of unfunded commitment liability	1,761
BrightInsight, Inc. [Member]
Unfunded commitments, principal balance	21,000
Fair value of unfunded commitment liability	278
Britecore Holdings, Inc. [Member]
Unfunded commitments, principal balance	5,000
Fair value of unfunded commitment liability	66
Castle Creek Biosciences [Member]
Unfunded commitments, principal balance	4,000
Fair value of unfunded commitment liability	72
Divergent Technologies, Inc. [Member]
Unfunded commitments, principal balance	22,500
Fair value of unfunded commitment liability	236
Engage3, LLC [Member]
Unfunded commitments, principal balance	8,000
Fair value of unfunded commitment liability	40
Groundspeed Analytics, Inc. [Member]
Unfunded commitments, principal balance	15,000
Fair value of unfunded commitment liability	150
Hound Labs, Inc. [Member]
Unfunded commitments, principal balance	7,500
Fair value of unfunded commitment liability	88
KSQ Therapeutics, Inc. [Member]
Unfunded commitments, principal balance	10,000
Fair value of unfunded commitment liability	100
Lytics, Inc. [Member]
Unfunded commitments, principal balance	5,000
Fair value of unfunded commitment liability	65
Native Microbials, Inc. [Member]
Unfunded commitments, principal balance	7,500
Fair value of unfunded commitment liability	72
Optoro, Inc. [Member]
Unfunded commitments, principal balance	15,000
Fair value of unfunded commitment liability	38
PDS Biotechnology Corporation [Member]
Unfunded commitments, principal balance	10,000
Fair value of unfunded commitment liability	158
Robin Healthcare, Inc. [Member]
Unfunded commitments, principal balance	10,000
Fair value of unfunded commitment liability	100
Scientia Vascular, Inc. [Member]
Unfunded commitments, principal balance	10,000
Fair value of unfunded commitment liability	110
Slingshot Aerospace, Inc. [Member]
Unfunded commitments, principal balance	5,000
Fair value of unfunded commitment liability	64
Swift Health Systems Inc. [Member]
Unfunded commitments, principal balance	25,500
Fair value of unfunded commitment liability	105
Temperpack Technologies, Inc [Member]
Unfunded commitments, principal balance	9,000
Fair value of unfunded commitment liability	$ 19

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611

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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

No definition available.

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