Note 3 - Property and Equipment - Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Property, Plant and Equipment, Net	$ 22,492	$ 23,129
Manufacturing Equipment [Member]
Property, Plant and Equipment, Net	343	567
Winnebago Building [Member]
Property, Plant and Equipment, Net	20,384	20,716
Property, Plant and Equipment, Other Types [Member]
Property, Plant and Equipment, Net	$ 1,765	$ 1,846

Amount, after accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection.

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+ Details