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Note 10 - Income Taxes - Deferred Tax Asset and Liability Components (Details) - USD ($) | Sep. 28, 2019 | Sep. 29, 2018
--- | --- | ---
Defined benefit plans | $ 2,661,000 | $ 2,302,000
Stock-based compensation | 1,259,000 | 1,120,000
Accrued expenses and asset reserves | 1,207,000 | 1,939,000
Federal net operating loss carryforward | 363,000 |
State net operating loss carryforwards and tax credits | 120,000 | 233,000
Valuation allowance | (257,000) | (233,000)
Deferred tax assets | 5,353,000 | 5,361,000
Plant and equipment | (10,625,000) | (9,490,000)
Prepaid insurance | (1,311,000) | (1,041,000)
Goodwill | (317,000) | (170,000)
Deferred tax liabilities | (12,253,000) | (10,701,000)
Net deferred tax liability | $ (6,900,000) | $ (5,340,000)

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