Note 2 - Significant Accounting Policies (Details Textual) $ in Thousands |
3 Months Ended | |
|---|---|---|
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Mar. 31, 2026
USD ($)
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Mar. 31, 2025
USD ($)
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| Number of Operating Segments | 1 | |
| Cash Provided by (Used in) Operating Activity, Including Discontinued Operation | $ (8,878) | $ (11,336) |
| Number of Reportable Segments | 1 | |
| Building [Member] | ||
| Property, Plant and Equipment, Useful Life (Year) | 39 years | |
| Building Improvements [Member] | ||
| Property, Plant and Equipment, Useful Life (Year) | 10 years | |
| Share-Based Payment Arrangement, Option [Member] | Minimum [Member] | ||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) | 1 year | |
| Share-Based Payment Arrangement, Option [Member] | Maximum [Member] | ||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) | 4 years | |
| X | ||||||||||
- Definition Amount of cash inflow (outflow) from operating activity, including, but not limited to, discontinued operation. Operating activity includes, but is not limited to, transaction, adjustment, and change in value not defined as investing or financing activity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Useful life of property, plant, and equipment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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