v3.26.1
Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares
Mar. 31, 2026
Dec. 31, 2025
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, authorized (in shares) 20,000,000 20,000,000
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, authorized (in shares) 300,000,000 300,000,000
Common stock, issued (in shares) 164,878,638 131,098,762
Common stock, outstanding (in shares) 164,878,638 131,098,762
Series B and B-1 Preferred Stock [Member]    
Preferred stock, issued (in shares) 10,134  
Preferred stock, outstanding (in shares) 10,134  
Series A and A-1 Preferred Stock [Member]    
Preferred stock, issued (in shares)   54,274
Preferred stock, outstanding (in shares)   54,274