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Note 11 - Warrant Liabilities (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Apr. 10, 2025
Dec. 31, 2024
Jul. 01, 2021
Adjustments to Additional Paid in Capital, Reclassification of Warrant Liabilities $ 1,452   $ 1,452        
Private Placement Warrant [Member]              
Class of Warrant or Right, Outstanding (in shares) 0   0       405,000
Warrants and Rights Outstanding, Term (Year)             5 years
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)             $ 11.5
Warrants and Rights Outstanding         $ 1,500 $ 1,900 $ 1,400
Fair Value Adjustment of Warrants $ 100 $ 300 $ 400 $ 200      
Private Placement Warrant [Member] | Reclassified From Other Liabilities to Additional Paid in Capital [Member]              
Adjustments to Additional Paid in Capital, Reclassification of Warrant Liabilities $ 1,500   $ 1,500