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Note 4 - Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands |  | 3 Months Ended |
--- | --- | --- | ---
Mar. 07, 2025 | Mar. 31, 2026 | Mar. 31, 2025 | Dec. 31, 2025
Contract with Customer, Performance Obligation Satisfied in Previous Period |  | $ 0 | $ 0 |
Operating Lease, Right-of-Use Asset |  | 36 |  | $ 48
Operating Lease, Liability, Current |  | $ 37 |  | $ 49
Rahula Group Acquisition [Member] |  |  |  |
Investment Owned, Shares Acquired During Period | 10,000 |  |  |
Asset Acquisition, Consideration Transferred | $ 600 |  |  |
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life (Year) | 3 years |  |  |

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- Definition Weighted-average period of amortization for finite-lived intangible asset acquired in business combination, asset acquisition, and from joint venture formation, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481283/985-20-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-1 + Details
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