Note 4 - Prepaid Expenses and Other - Prepaid Expenses and Other (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| CRO services | $ 37 | $ 37 |
| Other clinical development | 355 | 324 |
| Insurance | 606 | 1,128 |
| Professional fees | 638 | 381 |
| Prepaid Taxes | 359 | 117 |
| Other | 1,591 | 1,655 |
| Total, long-term | 3,586 | 3,642 |
| CRO services | 194 | 52 |
| Insurance | 14 | 8 |
| Other clinical development | 97 | 101 |
| Other | 2,484 | 2,673 |
| Prepaid Expense and Other Assets, Noncurrent | 2,789 | 2,834 |
| Totals | $ 6,375 | $ 6,476 |
| X | ||||||||||
- Definition Represents current prepaid CRO services. No definition available.
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| X | ||||||||||
- Definition Represents noncurrent prepaid CRO services. No definition available.
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| X | ||||||||||
- Definition Represents the amount of noncurrent prepaid insurance. No definition available.
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| X | ||||||||||
- Definition Represents current prepaid other clinical development. No definition available.
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| X | ||||||||||
- Definition Represents noncurrent prepaid other clinical development expense. No definition available.
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| X | ||||||||||
- Definition Represents current prepaid professional fees. No definition available.
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| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets. No definition available.
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| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed after one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Carrying amount as of the balance sheet date of amounts paid in advance which will be charged against earnings in periods after one year or beyond the operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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