Note 5 - Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Property and Equipment, Gross	$ 2,706	$ 2,155
Less: accumulated depreciation and amortization	(1,717)	(1,477)
Total property and equipment, net	989	678
Lab Equipment [Member]
Property and Equipment, Gross	2,244	2,052
Leasehold Improvements [Member]
Property and Equipment, Gross	175	48
Computer Equipment [Member]
Property and Equipment, Gross	124	50
Furniture and Fixtures [Member]
Property and Equipment, Gross	$ 163	$ 5