Quarterly report [Sections 13 or 15(d)]

Note 8 - Subsequent Events (Details Textual)

v3.26.1
Note 8 - Subsequent Events (Details Textual) - USD ($)
Apr. 30, 2026
Mar. 20, 2026
Mar. 16, 2026
May 02, 2026
Mar. 31, 2026
Jan. 16, 2026
Dec. 31, 2025
Oct. 22, 2025
Common Stock, Par or Stated Value Per Share (in dollars per share)     $ 0.001   $ 0.001 $ 0.001 $ 0.001  
Call Trigger Price     $ 18          
Pipe Purchase Agreement [Member]                
Shares Issued, Price Per Share               $ 12
Misfits Pre-Funded Warrant [Member] | Minimum [Member]                
Ownership Percentage     4.99%          
Misfits Pre-Funded Warrant [Member] | Maximum [Member]                
Ownership Percentage     9.99%          
Misfits Purchase Agreement [Member]                
Stock Issued During Period, Shares, Purchase of Assets   1,161,813 26,768          
Delayed Cash Payment     $ 300,000          
Asset Acquisition, Contingent Consideration, Liability     $ 1,200,000          
Asset Acquisition, Contingent Consideration, Liability Earnout, Shares Issuable     105,571          
Asset Acquisition, Contingent Consideration, Liability Earnout, Warrants Issuable, Number Of Securities Called By Each Warrant Or Right     105,571          
Misfits Purchase Agreement [Member] | Misfits Pre-Funded Warrant [Member]                
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right     509,682          
Misfits Purchase Agreement [Member] | Misfits Warrant [Member]                
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right     536,450          
Class of Warrant or Right, Exercise Price of Warrants or Rights     $ 18          
Subsequent Event [Member]                
Common Stock, Par or Stated Value Per Share (in dollars per share) $ 0.001              
Call Trigger Price 18              
Subsequent Event [Member] | Misfits Pre-Funded Warrant [Member]                
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 18              
Subsequent Event [Member] | Misfits Pre-Funded Warrant [Member] | Minimum [Member]                
Ownership Percentage 4.99%              
Subsequent Event [Member] | Misfits Pre-Funded Warrant [Member] | Maximum [Member]                
Ownership Percentage 9.99%              
Subsequent Event [Member] | Pipe October 2025 Warrants [Member]                
Class of Warrant or Right, Number of Securities Called by Warrants or Rights       2,700,000        
Warrant Floor Price       $ 6.84        
Subsequent Event [Member] | Placement Agent Warrants [Member]                
Class of Warrant or Right, Number of Securities Called by Warrants or Rights       71,000        
Warrant Floor Price       $ 5.14        
Subsequent Event [Member] | Misfits Purchase Agreement [Member]                
Payments to Acquire Productive Assets $ 1,500,000              
Stock Issued During Period, Shares, Purchase of Assets 26,768              
Delayed Cash Payment $ 300,000              
Asset Acquisition, Contingent Consideration, Liability $ 1,200,000              
Subsequent Event [Member] | Misfits Purchase Agreement [Member] | Earnout Shares [Member]                
Asset Acquisition, Contingent Consideration, Liability Earnout, Shares Issuable 105,571              
Subsequent Event [Member] | Misfits Purchase Agreement [Member] | Misfits Pre-Funded Warrant [Member]                
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right 509,682              
Asset Acquisition, Contingent Consideration, Liability Earnout, Warrants Issuable, Number Of Securities Called By Each Warrant Or Right 105,571              
Subsequent Event [Member] | Misfits Purchase Agreement [Member] | Misfits Warrant [Member]                
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right 536,450              
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 18              
Misfits Acquisition [Member] | Subsequent Event [Member]                
Stock Issued During Period, Shares, Acquisitions 1,161,813