v3.26.1
Note 1 - Organization and Basis of Presentation (Details Textual)
$ / shares in Units, $ in Thousands
3 Months Ended
Sep. 26, 2025
$ / shares
Jun. 30, 2026
USD ($)
$ / shares
Jun. 30, 2025
USD ($)
Mar. 31, 2026
USD ($)
$ / shares
Dec. 31, 2025
USD ($)
$ / shares
May 14, 2024
USD ($)
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares $ 0.001 $ 0.001   $ 0.001 $ 0.001  
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation   $ 8,656   $ 5,383    
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest   (3,098) $ (3,864)      
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation   (2,089) $ (3,047)      
Working Capital   $ 13,200        
Potential Financing Amount         $ 150,000  
Roth Capital [Member]            
Sale of Stocks, Maximum Amount Authorized to Sell           $ 25,000
Reverse Stock Split [Member]            
Stockholders' Equity Note, Stock Split, Conversion Ratio 10