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Note A - The Company and Summary of Significant Accounting Policies - Adoption of ASC 842 Impact (Details) - USD ($) | Dec. 31, 2019 | Sep. 30, 2019 | Jan. 01, 2019 | Dec. 31, 2018
--- | --- | --- | --- | ---
Operating Lease, Right-of-Use Asset | $ 566,479 | $ 116,875 | $ 602,937 | $ 0
Prepaid expenses and other | 108,397 |  | 138,216 | 150,811
Total assets | 2,496,698 |  | 12,282,674 | 11,692,332
Operating lease liabilities, current portion | 170,560 |  | 135,519 | 0
Operating lease liabilities, net of current portion | 390,466 |  | 454,823 | 0
Total liabilities | 4,781,871 |  | 1,816,452 | 1,226,110
Total liabilities and stockholders’ equity | $ 2,496,698 |  | 12,282,674 | $ 11,692,332
Accounting Standards Update 2016-02 [Member] |  |  |  |
Operating Lease, Right-of-Use Asset |  |  | 602,937 |
Prepaid expenses and other |  |  | (12,595) |
Total assets |  |  | 590,342 |
Operating lease liabilities, current portion |  |  | 135,519 |
Operating lease liabilities, net of current portion |  |  | 454,823 |
Total liabilities |  |  | 590,342 |
Total liabilities and stockholders’ equity |  |  | $ 590,342 |

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