General form of registration statement for all companies including face-amount certificate companies

Note 11 - Equity - Schedule of Warrants (Details)

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Note 11 - Equity - Schedule of Warrants (Details) - $ / shares
 6 Months Ended 12 Months Ended
Jun. 30, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Outstanding warrants, January 1, 2024 (in shares) 2,386,677 848,564 123,333  
Exercise price (in dollars per share) $ 2.07 $ 2.26 $ 7.5  
Outstanding warrants, January 1, 2024 (Year) 2 years 2 months 8 days 2 years 5 months 15 days 2 years 6 months 10 months 6 days
Warrants issued pursuant to units offering (in shares) 836,531 1,538,113 198,482  
Warrants issued pursuant to units offering (in dollars per share) $ 2.56 $ 2.56 $ 3  
Warrants issued pursuant to modification of convertible debt (in shares)     526,749  
Warrants issued pursuant to modification of convertible debt (in dollars per share)     $ 0.75  
Outstanding warrants, June 30, 2024 (in shares) 3,223,208 2,386,677 848,564 123,333
Exercise price (in dollars per share) $ 2.19 $ 2.07 $ 2.26 $ 7.5