Note 10 - Prepaid Expenses (Details Textual) - USD ($) |
Mar. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|---|
| Prepaid Expense, Current | $ 404,000 | $ 640,000 | $ 46,000 |
| Prepaid Expense, Noncurrent | $ 61,000 | $ 61,000 | $ 49,000 |
| 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
|
| X | ||||||||||
- Definition Sum of the carrying amounts as of the balance sheet date of amounts paid in advance for expenses 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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