Annual report [Section 13 and 15(d), not S-K Item 405]

Note 1 - Description of Business (Details Textual)

v3.25.0.1
Note 1 - Description of Business (Details Textual)
Jan. 12, 2024
$ / shares
Dec. 31, 2024
$ / shares
Dec. 30, 2024
Sep. 30, 2024
$ / shares
Dec. 31, 2023
$ / shares
Dec. 31, 2022
$ / shares
Common Stock, Par or Stated Value Per Share (in dollars per share) $ 0.001 $ 0.001   $ 0.001 $ 0.001  
Preferred Stock, Par or Stated Value Per Share (in dollars per share)   $ 0.001     $ 0.001  
Reverse Stock Split [Member]            
Stockholders' Equity Note, Stock Split, Conversion Ratio 100          
Series V Preferred Stock [Member]            
Preferred Stock, Convertible, Conversion Ratio 1          
Preferred Stock, Par or Stated Value Per Share (in dollars per share) $ 0.001         $ 0.001
Series V Preferred Stock [Member] | Reverse Stock Split [Member]            
Preferred Stock, Convertible, Conversion Ratio     3      
Stockholders' Equity Note, Stock Split, Conversion Ratio 10