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v3.26.1

Note 3 - Investment Securities - Schedule of Investment Securities (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Amortized cost, as adjusted | $ 130,626 | $ 120,363
Gross unrealized holding gains | 95 | 331
Gross unrealized holding losses | (142) | 0
Estimated fair value | 130,579 | 120,694
US Government Agencies Debt Securities [Member] | Short-Term Investments [Member] |  |
Amortized cost, as adjusted | 72,221 | 62,822
Gross unrealized holding gains | 63 | 130
Gross unrealized holding losses | (11) | 0
Estimated fair value | 72,273 | 62,952
US Government Agencies Debt Securities [Member] | Long Term Investments [Member] |  |
Amortized cost, as adjusted | 58,405 | 57,541
Gross unrealized holding gains | 32 | 201
Gross unrealized holding losses | (131) | 0
Estimated fair value | $ 58,306 | $ 57,742

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