v3.26.1
Note 9 - Stockholders' Equity (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
 2 Months Ended 6 Months Ended
Jul. 17, 2026
Apr. 27, 2026
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2025
Jul. 16, 2026
Jun. 25, 2026
Dec. 31, 2025
Preferred Stock, Par or Stated Value Per Share (in dollars per share)     $ 0.0001 $ 0.0001       $ 0.0001
Proceeds from Issuance of Preferred Stock and Preference Stock       $ 3,224 $ 0      
Common Stock, Par or Stated Value Per Share (in dollars per share) $ 0.0001   $ 0.0001 $ 0.0001     $ 0.0001 $ 0.0001
Series AAA Convertible Non Redeemable Preferred Stock [Member]                
Proceeds from Issuance of Preferred Stock and Preference Stock     $ 3,500          
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs     300          
Proceeds from Issuance of Preferred Stock and Preference Stock, Net     $ 3,200          
Securities Purchase Agreement [Member] | Series AA Convertible Non Redeemable Preferred Stock [Member]                
Shares Issued, Price Per Share (in dollars per share) $ 2              
Proceeds from Issuance of Preferred Stock and Preference Stock   $ 3,500            
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs   300            
Proceeds from Issuance of Preferred Stock and Preference Stock, Net   $ 3,200            
Subsequent Event [Member] | Securities Purchase Agreement [Member]                
Proceeds from Issuance of Preferred Stock and Preference Stock $ 7,000              
Subsequent Event [Member] | Securities Purchase Agreement [Member] | Series AA Convertible Non Redeemable Preferred Stock [Member]                
Stock Issued During Period, Shares, New Issues (in shares) 1,750,000              
Preferred Stock, Par or Stated Value Per Share (in dollars per share) $ 0.0001              
Shares Issued, Price Per Share (in dollars per share) $ 2              
Convertible Preferred Stock, Shares Issued upon Conversion (in shares) 7.7              
Preferred Stock, Convertible, Conversion Price (in dollars per share) $ 0.25974              
Subsequent Event [Member] | Securities Purchase Agreement [Member] | Series AAA Convertible Non Redeemable Preferred Stock [Member]                
Stock Issued During Period, Shares, New Issues (in shares) 1,750,000              
Preferred Stock, Par or Stated Value Per Share (in dollars per share) $ 0.0001         $ 0.0001    
Shares Issued, Price Per Share (in dollars per share) $ 2              
Convertible Preferred Stock, Shares Issued upon Conversion (in shares) 135.1              
Preferred Stock, Convertible, Conversion Price (in dollars per share) $ 0.0148