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Note 4 - Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2026
Notes Tables |
Foreign Currency Exchange Rates [Table Text Block] |
|  | March 31, 2026 |  |  | December 31, 2025 |
Balance sheet items, except for equity accounts |  |  | 6.9194 |  |  |  | 7.0288 |
|  | Three Months Ended March 31, |
|  | 2026 |  |  | 2025 |
Items in the statements of operations and comprehensive loss |  |  | 6.9493 |  |  |  | 7.1429 |
Financing Receivable, Current, Allowance for Credit Loss [Table Text Block] |
|  | Three Months Ended March 31, |
|  | 2026 |  |  | 2025 |
|  | US$(’000) |  |  | US$(’000) |
|  | (Unaudited) |  |  | (Unaudited) |
Credit loss for accounts receivable: |  |  |  |  |  |  |  |
Balance as of beginning of the period |  |  | 5,137 |  |  |  | 4,817 |
Provision for/(reverse of) credit loss during the period |  |  | (180 | ) |  |  | 11 |
Written off during the period |  |  | - |  |  |  | - |
Exchange translation adjustments |  |  | 79 |  |  |  | 6 |
Balance as of end of the period |  |  | 5,036 |  |  |  | 4,834 |
|  | Three Months Ended March 31, |
|  | 2026 |  |  | 2025 |
|  | US$(’000) |  |  | US$(’000) |
|  | (Unaudited) |  |  | (Unaudited) |
Credit loss for other current assets: |  |  |  |  |  |  |  |
Balance as of beginning of the period |  |  | 1,989 |  |  |  | 1,513 |
Provision for credit loss during the period |  |  | (5 | ) |  |  | 376 |
Written off during the period |  |  | - |  |  |  | - |
Exchange translation adjustments |  |  | (1 | ) |  |  | - |
Balance as of end of the period |  |  | 1,983 |  |  |  | 1,889 |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended March 31, |
|  | 2026 |  |  | 2025 |
|  | US$(’000) |  |  | US$(’000) |
|  | (Unaudited) |  |  | (Unaudited) |
Internet advertising and related services |  |  |  |  |  |  |  |
--distribution of the right to use search engine marketing service |  |  | - |  |  |  | 49 |
-- Internet advertising and related data service |  |  | 284 |  |  |  | 970 |
AI Service |  |  | 38 |  |  |  | - |
Blockchain-based SaaS services |  |  | - |  |  |  | 615 |
IP Services |  |  | 61 |  |  |  | 18 |
Total revenues |  | $ | 383 |  |  | $ | 1,652 |
|  | Three Months Ended March 31, |
|  | 2026 |  |  | 2025 |
|  | US$(’000) |  |  | US$(’000) |
|  | (Unaudited) |  |  | (Unaudited) |
Revenue recognized over time |  |  | 61 |  |  |  | 67 |
Revenue recognized at a point in time |  |  | 322 |  |  |  | 1,585 |
Total revenues |  | $ | 383 |  |  | $ | 1,652 |
Asset Acquisition [Table Text Block] |
|  | As of March 7, 2025 |
|  | US$(’000) |
|  | (Unaudited) |
Rahula Group intangible asset recorded on acquisition date: |  |  |  |
Intangible asset acquired (a) |  |  | 707 |
Deferred tax liability generated from the Rahula asset |  |  | (107 | )
Total consideration paid |  |  | 600 |
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] |
|  | Operating leases |
|  | US$(’000) |
|  | (Unaudited) |
Nine months ending December 31, 2026 |  |  | 38 |
Total undiscounted lease payments |  |  | 38 |
Less: imputed interest |  |  | (1 | )
Total operating lease liabilities as of March 31, 2026 |  |  | 37 |
Including: |  |  |  |
Operating lease liabilities |  |  | 37 |
Operating lease liabilities-Non current |  |  | - |
|  |  | 37 |
Lease, Cost [Table Text Block] |
|  | Three Months Ended March 31, |
|  | 2026 |  |  | 2025 |
|  | US$(’000) |  |  | US$(’000) |
|  | (Unaudited) |  |  | (Unaudited) |
Long-term operating lease contracts |  |  | 12 |  |  |  | 12 |
Short-term operating lease contracts |  |  | - |  |  |  | 1 |
Total |  | $ | 12 |  |  | $ | 13 |
|  | Three Months Ended March 31, |
|  | 2026 |  |  | 2025 |
|  | US$(’000) |  |  | US$(’000) |
|  | (Unaudited) |  |  | (Unaudited) |
Operating cash flows used for operating leases (US$’000) |  |  | 8 |  |  |  | 11 |
Right-of-use assets obtained in exchange for new lease liabilities (US$’000) |  |  | - |  |  |  | 87 |
Weighted-average remaining lease term (years) |  |  | 0.75 |  |  |  | 1.75 |
Weighted-average discount rate |  |  | 6 | % |  |  | 6 | %

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