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Note 4 - Real Property and Other Income, Expense (Tables) | 12 Months Ended
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Dec. 31, 2025
Notes Tables |
Schedule of Other Nonoperating Income (Expense) [Table Text Block] |
|  | Years ended December 31, |
|  | 2025 |  |  | 2024 |  |  | 2023 |
Lease revenue |  | $ | 533 |  |  | $ | 1,244 |  |  | $ | 2,283 |
Property operating expenses |  |  | (736 | ) |  |  | (833 | ) |  |  | (1,376 | )
Other income (loss), net |  | $ | (203 | ) |  | $ | 411 |  |  | $ | 907 |
Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block] |
For the year ending December 31, |  |  |  |
2026 |  |  | 0.8 |
2027 |  |  | 0.6 |
2028 |  |  | 0.5 |
2029 |  |  | 0.5 |
2030 and beyond |  |  | 1.0 |
Total gross rental income |  |  | 3.4 |

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- Definition Tabular disclosure of maturity of undiscounted cash flows to be received by lessor on annual basis for operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479773/842-30-50-12 + Details
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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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