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Note K - Income Taxes - Deferred Tax Assets (Details) - USD ($) | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Allowance for Doubtful Accounts | $ 2,000 | $ 2,000
Warranty Reserve | 0 | 2,000
Impaired Assets | 0 | 0
Capitalized Sec. 174 R&D | 344,000 | 242,000
Inventory Reserve | 300,000 | 242,000
Deferred Officer's Compensation | 689,000 | 428,000
Depreciation and Amortization | (44,000) | (56,000)
Right of Use Asset | (86,000) | (108,000)
Lease Liability | 93,000 | 116,000
Net Operating Loss Carryforwards | 19,920,000 | 19,315,000
Tax Credits | 558,000 | 688,000
Other | 302,000 | 147,000
Subtotal | 22,080,000 | 21,018,000
Valuation allowance | (22,080,000) | (21,018,000)
Non-current deferred tax asset | $ 0 | $ 0

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