Annual report [Section 13 and 15(d), not S-K Item 405]

Note 2 - Risks and Uncertainties (Details Textual)

v3.25.1
Note 2 - Risks and Uncertainties (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Retained Earnings (Accumulated Deficit), Total $ (140,002) $ (115,558)  
Net Income (Loss) Attributable to Parent, Total (24,444) (19,381)  
Net Cash Provided by (Used in) Operating Activities, Total (22,076) (18,728)  
Cash, Cash Equivalents, and Short-Term Investments, Total 44,100    
Working Capital 39,200    
Stockholders' Equity Attributable to Parent, Ending Balance $ 40,718 $ 51,057 $ 31,827