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Note L - Income Taxes - Deferred Tax Assets (Details) - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Allowance for Doubtful Accounts $ 2,000 $ 2,000
Warranty Reserve 3,000 5,000
Impaired Assets 0
Inventory Reserve 108,000 110,000
Deferred Officer's Compensation 439,000 816,000
Depreciation and Amortization (52,000) (67,000)
Net Operating Loss Carryforwards 18,895,000 17,993,000
Tax Credits 660,000 416,000
Other 45,000 10,000
Subtotal 20,100,000 19,285,000
Valuation allowance (20,100,000) (19,285,000)
Non-current deferred tax asset $ 0 $ 0