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Note 2 - Acquisition Activity - Pro Forma Information (Details) - Royal Financial, Inc. [Member] - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Interest income |  | $ 73,730 | $ 70,585
Interest expense |  | (4,987) | (3,538)
Recovery of (provision for) loan losses |  | 0 | (1,181)
Non-interest income |  | 11,648 | 16,607
Non-interest expense (1) | [1] | (60,228) | (57,290)
Income before provision for income taxes |  | 20,163 | 25,183
Income tax expense |  | (2,235) | (3,525)
Net income |  | $ 17,928 | $ 21,658
Basic (in dollars per share) |  | $ 4.29 | $ 6.23
Diluted (in dollars per share) |  | $ 4.28 | $ 6.23
[1] | Excludes $2.9 million in pre-tax merger expenses for the nine months ended September 30, 2022.

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