| Note 17 - Warrants - Summary of Warrants Activity (Details) | 6 Months Ended | 
|---|---|
| Jun. 30, 2024  $ / shares  shares | |
| Warrants Outstanding, warrants (in shares) | shares | 1,463,312 | 
| Warrants Outstanding, Exercise Price (in dollars per share) | $ / shares | $ 6.17 | 
| Expired, warrants (in shares) | shares | (3,113) | 
| Expired, Exercise Price (in dollars per share) | $ / shares | $ 86.73 | 
| Warrants Outstanding, warrants (in shares) | shares | 1,460,199 | 
| Warrants Outstanding, Exercise Price (in dollars per share) | $ / shares | $ 6 | 
| X | ||||||||||
| 
- Definition The number of warrants or rights expired in period. No definition available. 
 | 
| X | ||||||||||
| 
- Definition Weighted average exercise price for warrants or rights expired in period. No definition available. 
 | 
| X | ||||||||||
| 
- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
 | 
| X | ||||||||||
| 
- Definition Number of warrants or rights outstanding. No definition available. 
 |