Note 16 - Domestic and Foreign Revenues - Schedule of Revenues (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Net sales	$ 653	$ 650	$ 531	$ 392	$ 446	$ 438	$ 403	$ 441	$ 2,226	$ 1,728
SPAIN
Net sales									334	330
INDIA
Net sales									193	60
AUSTRALIA
Net sales									171	5
CANADA
Net sales									1	137
All Other Foreign Countries [Member]
Net sales									263	143
Non-US [Member]
Net sales									962	675
UNITED STATES
Net sales									$ 1,264	$ 1,053