Note 8 - Property and Equipment, Net - Property and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Property and equipment, gross	$ 11,237	$ 11,237
Accumulated depreciation	(3,725)	(3,569)
Total property and equipment, net	7,512	7,668
Land, Buildings and Improvements [Member]
Property and equipment, gross	9,610	9,610
Machinery and Equipment [Member]
Property and equipment, gross	1,304	1,304
Computer Equipment [Member]
Property and equipment, gross	272	272
Office Equipment, Furnishings and Improvements [Member]
Property and equipment, gross	$ 51	$ 51