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Note L - Income Taxes - Deferred Tax Assets (Details) - USD ($)
Dec. 31, 2022
Dec. 31, 2021
Allowance for Doubtful Accounts $ 2,000 $ 2,000
Warranty Reserve 2,000 3,000
Impaired Assets 0 0
Capitalized Sec. 174 R&D 242,000 0
Inventory Reserve 242,000 108,000
Deferred Officer's Compensation 428,000 439,000
Depreciation and Amortization (56,000) (52,000)
Net Operating Loss Carryforwards 19,315,000 18,895,000
Tax Credits 688,000 660,000
Other 155,000 45,000
Subtotal 21,018,000 20,100,000
Valuation allowance (21,018,000) (20,100,000)
Non-current deferred tax asset $ 0 $ 0