v3.26.1
Note 4 - Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Revenues $ 383 $ 1,652
Search Engine Marketing and Data Service [Member]    
Revenues 0 49
Online Advertising Placement [Member]    
Revenues 284 970
AI Service [Member]    
Revenues 38 0
Blockchain-based SaaS services [Member]    
Revenues 0 615
IP Services [Member]    
Revenues 61 18
Transferred over Time [Member]    
Revenues 61 67
Transferred at Point in Time [Member]    
Revenues $ 322 $ 1,585