v3.26.1
Note 5 - Capital Stock - Summary of Common Stock Outstanding (Details) - shares
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Less Treasury Shares: (in shares) (189) (189)
Common stock, outstanding (in shares) 3,327,210 1,144,737
Prefunded Warrants [Member]    
Issuances related to Warrant exercises (in shares) 1,403,131  
Common Stock [Member]    
Issued Shares (in shares) 1,144,926 573,644
Issuances from Preferred Stock conversions (in shares) 257,617 288,968
Issued Shares (in shares) 3,327,399 1,144,926
Less Treasury Shares: (in shares) (189)  
Common stock, outstanding (in shares) 3,327,210  
Common Stock [Member] | Common Warrants [Member]    
Issuances related to Warrant exercises (in shares) 521,725 282,314
Common Stock [Member] | Prefunded Warrants [Member]    
Issuances related to Warrant exercises (in shares) 1,403,131