Note 14 - Variable Interest Entities - Consolidated VIEs (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025	Dec. 31, 2024
Cash and cash equivalents	$ 18,992	$ 56,762
Other investments, at fair value	61,578	57,258
Investment in equity method affiliates	11,258	6,661	$ 23,430
Variable Interest Entity, Primary Beneficiary [Member]
Cash and cash equivalents	6	6
Other investments, at fair value	664	142
Investment in equity method affiliates	2,091	896
Non-controlling interest	(2,382)	(434)
Investment in consolidated VIEs	$ 379	$ 610