v3.26.1
Note 6 - Common Stock and Preferred Stock (Details Textual)
 6 Months Ended
Aug. 05, 2024
USD ($)
$ / shares
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Mar. 31, 2026
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Common Stock, Shares Authorized (in shares) | shares   50,000,000   50,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares   $ 0.0001   $ 0.0001
Common Stock, Voting Rights, Vote Per Share   1    
Dividends, Common Stock, Total   $ 0    
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares   $ 4   $ 4
Proceeds from Issuance or Sale of Equity, Gross $ 22,000,000      
Proceeds from Issuance or Sale of Equity $ 21,600,000      
Series A Convertible Preferred Stock [Member]        
Preferred Stock, Shares Issued (in shares) | shares     22,000 22,000
Preferred Stock, Shares Outstanding (in shares) | shares 22,000 22,000   22,000
Preferred Stock, Convertible, Shares Issuable (in shares) | shares 7,213,115 7,213,115    
Proceeds from Issuance or Sale of Equity $ 20,400,000      
Percent of Conversion Shares Owned 20.00%      
Borrowed Money $ 10,000,000      
Percent of Common Stock Issuable 10.00%      
Percent of Voting Stock 50.00%      
Preferred Stock, Stated Value $ 1,000 $ 1,000    
Preferred Stock, Redemption Amount   $ 22,000,000   $ 22,000,000
Preferred Stock, Value, Issued 20,000,000      
Payments of Stock Issuance Costs 403,000      
North Run Warrants [Member]        
Warrants and Rights Outstanding $ 5,780,955      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | shares 2,885,246      
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares $ 3.05      
Payments of Stock Issuance Costs $ 31,000      
North Run Warrants [Member] | Warrants Liability [Member]        
Derivative Liability $ 1,600,000