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Note 2 - Variable Interest Entities - Consolidated VIEs' Financial Performance (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2026 | Mar. 31, 2025
Revenues | $ 383 | $ 1,652
Cost of revenues | (356) | (1,492)
Total operating expenses | (52) | 739
Net loss | 126 | (530)
Variable Interest Entity, Primary Beneficiary [Member] |  |
Revenues | 0 | 49
Cost of revenues | 0 | 39
Total operating expenses | 69 | 36
Net loss | $ 69 | $ 29

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