Note 5 - Property and Equipment - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Property and equipment, gross	$ 188	$ 102
Accumulated depreciation	(97)	(32)
Property and equipment, net	91	70
Machinery and Equipment [Member]
Property and equipment, gross	29	16
Computer Equipment [Member]
Property and equipment, gross	29	17
LockeT Animation Video [Member]
Property and equipment, gross	29	0
VIVO DEMO and Clinical Systems [Member]
Property and equipment, gross	$ 101	$ 69