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Note 3 - Long-term Debt Financing (Tables) | 9 Months Ended
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Sep. 30, 2025
Notes Tables |
Schedule of Maturities of Long-Term Debt [Table Text Block] |
Year ending December 31, |  | Principal |
2025 (excluding the nine-months ended September 30, 2025) |  | $ | 830,000 |
2026 |  |  | 9,299,000 |
2027 |  |  | 2,058,000 |
2028 |  |  | 1,540,000 |
2029 |  |  | 1,540,000 |
Thereafter |  |  | 3,045,000 |
|  | $ | 18,312,000 |

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- Definition Tabular disclosure of maturity and sinking fund requirement for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 470 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481544/470-10-50-1 + Details
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