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Note 15 - Income Taxes - Schedule of Income Taxes Paid (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Federal | $ 5,750,000 | $ 6,260,000 | $ 8,100,000
State and Local | 2,845,000 | 3,395,000 | 4,161,000
Total | 8,595,000 | 9,655,000 | 12,261,000
California Franchise Tax Board [Member] |  |  |
State and Local | 2,805,000 | 3,360,000 | 4,130,000
Other State Tax Authorities [Member] |  |  |
State and Local | $ 40,000 | $ 35,000 | $ 31,000

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