Note I - Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Basis differences in unconsolidated entities, including advances and loans to those entities | $ 230,000 | $ 210,000 |
| Net intangible assets and other capitalized costs | 1,013,000 | |
| Net operating loss | 1,015,000 | 499,000 |
| Net effect of conversion from the accrual basis of accounting to the cash basis of accounting for tax purposes primarily related to accounts receivable, prepaid expense, deferred revenue, and accounts payable | 63,000 | 11,000 |
| Stock based compensation | 19,000 | |
| Valuation allowance | 2,340,000 | 720,000 |
| Net deferred tax asset | $ 0 | $ 0 |