Note 11 - Long-term Investments - Schedule of Long-term Investments (Details) - USD ($) $ in Thousands	May 31, 2026	Dec. 31, 2025	May 31, 2025
Equity investments measured at fair value	$ 2,187		$ 1,972
Equity investments under measurement alternative	3,595
Total	6,551	$ 10,132	10,132
Superhero Acquisition LP [Member]
Equity investments under measurement alternative	$ 4,364		$ 8,160

Fair value portion of investments accounted under the equity method.

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