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Note 9 - Warrants - Summary of Warrants Outstanding and Exercisable (Details)
 9 Months Ended
Sep. 30, 2024
$ / shares
shares
Number outstanding/ exercisable (in shares) 2,850,000
Warrants Issued in Connection with Private Placement [Member]  
Number outstanding/ exercisable (in shares) 2,500,000
Weighted average remaining life (Year) 1 year 10 months 13 days
Weighted average exercise price (in dollars per share) | $ / shares $ 5.1
The Placement Agent Warrants [Member]  
Number outstanding/ exercisable (in shares) 350,000
Weighted average remaining life (Year) 1 year 10 months 13 days
Weighted average exercise price (in dollars per share) | $ / shares $ 6.45