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Note J - Income Taxes - Deferred Tax Assets (Details) - USD ($) | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Allowance for Doubtful Accounts | $ 2,000 | $ 2,000
Capitalized Sec. 174 R&D | 413,000 | 346,000
Inventory Reserve | 253,000 | 300,000
Deferred Officer's Compensation | 688,000 | 689,000
Depreciation and Amortization | (35,000) | (44,000)
Right of Use Asset | (72,000) | (86,000)
Lease Liability | 78,000 | 93,000
Net Operating Loss Carryforwards | 15,416,000 | 19,920,000
Tax Credits | 562,000 | 558,000
Other | 423,000 | 302,000
Subtotal | 17,728,000 | 22,080,000
Valuation allowance | (17,728,000) | (22,080,000)
Non-current deferred tax asset | $ 0 | $ 0

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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- Definition Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-6 + Details
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-6 + Details
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