v3.26.1
Note 6 - Net Loss Per Share (Details Textual) - shares
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Net Income Loss Per Share [Line Items]      
Class of Warrant or Right, Outstanding (in shares) 678,875    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options and Warrants, Outstanding, Number (in shares)   826,375  
Restricted Stock [Member]      
Net Income Loss Per Share [Line Items]      
Restricted shares unvested 380,730 436,863 433,528