v3.26.1
Note 4 - Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Revenues $ 4,614 $ 15,439
Transferred over Time [Member]    
Revenues 310 9,909
Transferred at Point in Time [Member]    
Revenues 4,304 5,530
Search Engine Marketing and Data Service [Member]    
Revenues 50 9,909
Online Advertising Placement [Member]    
Revenues 3,688 4,780
IP Services [Member]    
Revenues 260 0
Blockchain-based SaaS services [Member]    
Revenues $ 616 $ 750