Note 9 - Accrued Liabilities - Accrued Expenses (Details) - USD ($) $ in Thousands |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Accrued Liabilities, Current [Abstract] | ||
| Accrued personnel related costs | $ 1,989 | $ 2,302 |
| Accrued research and development expenses | 6,527 | 2,550 |
| Other accrued expenses | 313 | 233 |
| Total | $ 8,829 | $ 5,085 |
| X | ||||||||||
- Definition Accrued liabilities current net. No definition available.
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| X | ||||||||||
- Definition The amount of research and development liabilities classified as current. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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