Note 4 - Prepaid Expenses (Tables)  | 
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Sep. 30, 2024  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Prepaid Expense and Other Assets [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Summary of Prepaid Expenses and Other Assets | 
      
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- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. No definition available. 
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- References No definition available. 
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