| Note 5 - Right-of-use Asset and Lease Liability (Details Textual) | Dec. 31, 2024 | 
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| Minimum [Member] | |
| Lessee, Operating Lease, Term of Contract (Year) | 1 year | 
| Maximum [Member] | |
| Lessee, Operating Lease, Term of Contract (Year) | 11 years | 
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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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