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Note 8 - Financial Instruments With Off-balance-sheet Risk - Unfunded Commitments (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Unfunded commitments, principal balance | $ 166,200 | $ 190,000
Fair value of unfunded commitment liability | 1,496 | 1,761
BrightInsight, Inc. [Member] |  |
Unfunded commitments, principal balance | 18,250 | 21,000
Fair value of unfunded commitment liability | 241 | 278
Britecore Holdings, Inc. [Member] |  |
Unfunded commitments, principal balance | 0 | 5,000
Fair value of unfunded commitment liability | 0 | 66
Castle Creek Biosciences [Member] |  |
Unfunded commitments, principal balance | 4,000 | 4,000
Fair value of unfunded commitment liability | 72 | 72
Corinth Medtech, Inc [Member] |  |
Unfunded commitments, principal balance | 200 | 0
Fair value of unfunded commitment liability | 0 | 0
Divergent Technologies, Inc. [Member] |  |
Unfunded commitments, principal balance | 18,750 | 22,500
Fair value of unfunded commitment liability | 197 | 236
Engage3, LLC [Member] |  |
Unfunded commitments, principal balance | 8,000 | 8,000
Fair value of unfunded commitment liability | 40 | 40
Groundspeed Analytics, Inc. [Member] |  |
Unfunded commitments, principal balance | 15,500 | 15,000
Fair value of unfunded commitment liability | 150 | 150
Hound Labs, Inc. [Member] |  |
Unfunded commitments, principal balance | 7,500 | 7,500
Fair value of unfunded commitment liability | 88 | 88
KSQ Therapeutics, Inc. [Member] |  |
Unfunded commitments, principal balance | 10,000 | 10,000
Fair value of unfunded commitment liability | 100 | 100
Lytics, Inc. [Member] |  |
Unfunded commitments, principal balance | 4,000 | 5,000
Fair value of unfunded commitment liability | 52 | 65
Native Microbials, Inc. [Member] |  |
Unfunded commitments, principal balance | 0 | 7,500
Fair value of unfunded commitment liability | 0 | 72
Noodle Partners, Inc. [Member] |  |
Unfunded commitments, principal balance | 10,000 | 0
Fair value of unfunded commitment liability | 123 | 0
Optoro, Inc. [Member] |  |
Unfunded commitments, principal balance | 15,000 | 15,000
Fair value of unfunded commitment liability | 38 | 38
PDS Biotechnology Corporation [Member] |  |
Unfunded commitments, principal balance | 10,000 | 10,000
Fair value of unfunded commitment liability | 158 | 158
Robin Healthcare, Inc. [Member] |  |
Unfunded commitments, principal balance | 5,000 | 10,000
Fair value of unfunded commitment liability | 50 | 100
Scientia Vascular, Inc. [Member] |  |
Unfunded commitments, principal balance | 10,000 | 10,000
Fair value of unfunded commitment liability | 110 | 110
Slingshot Aerospace, Inc. [Member] |  |
Unfunded commitments, principal balance | 5,000 | 5,000
Fair value of unfunded commitment liability | 63 | 64
Swift Health Systems Inc. [Member] |  |
Unfunded commitments, principal balance | 18,500 | 25,500
Fair value of unfunded commitment liability | 0 | 105
Temperpack Technologies, Inc [Member] |  |
Unfunded commitments, principal balance | 6,500 | 9,000
Fair value of unfunded commitment liability | $ 14 | $ 19

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