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Note L - Income Taxes - Deferred Tax Assets (Details) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Allowance for doubtful accounts | $ 2,000 | $ 3,000
Warranty reserve | 5,000 | 29,000
Impaired Assets |  | 435,000
Inventory Reserve | 178,000 | 551,000
Deferred officers' compensation | 820,000 | 715,000
Depreciation and Amortization | (103,000) | 345,000
Net operating loss carryforward | 16,504,000 | 16,500,000
Tax Credit | 384,000 |
Other | (28,000) |
Subtotal | 17,762,000 | 18,578,000
Valuation allowance | (17,762,000) | (18,578,000)
Non-current deferred tax asset |  |

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