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Note 10 - Income Taxes - Deferred Tax Asset and Liability Components (Details) - USD ($) | Sep. 28, 2024 | Sep. 30, 2023
--- | --- | ---
Defined benefit plans | $ 2,765,000 | $ 2,551,000
Accrued expenses and asset reserves | 1,406,000 | 2,392,000
Stock-based compensation | 1,423,000 | 1,288,000
R & E Capitalization | 226,000 | 125,000
Operating lease liability | 378,000 | 434,000
State net operating loss carryforwards and tax credits | 3,000 | 158,000
Valuation allowance | (149,000) | (3,000)
Deferred tax assets | 6,052,000 | 6,945,000
Plant and equipment | (15,090,000) | (12,143,000)
Prepaid insurance | (1,240,000) | (1,123,000)
Right of use assets | (381,000) | (435,000)
Goodwill | (976,000) | (787,000)
Deferred tax liabilities | (17,687,000) | (14,488,000)
Net deferred tax liability | $ (11,635,000) | $ (7,543,000)

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