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Note 6 - Segment Information (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

		Three months ended								Nine months ended
		September 30,								September 30,
		2025				2024				2025				2024
Revenues		$	430			$	838			$	1,542			$	2,453
Costs and expenses(a):
Cost of revenues			10				23				24				64
Product R&D			47				78				132				146
General and administrative, including rent			302				152				848				875
Payroll and related			1,257				1,508				4,877				4,898
Professional fees and IP			414				236				1,073				969
Marketing and travel			97				57				351				374
Total costs and expenses			2,127				2,054				7,305				7,326
Other segment items(b)			15,507				11				15,498				31
Other income, net			124				151				405				454
Income (loss) before provision for income taxes			13,934				(1,054	)			10,140				(4,388	)
Provision for income taxes			-				(11	)			(10	)			10
Income (loss) from continuing operations		$	13,934			$	(1,043	)		$	10,150			$	(4,398	)

Long-Lived Assets by Geographic Areas [Table Text Block]

		September 30, 2025				December 31, 2024
United States		$	75			$	-
Sweden			551				696
Total		$	626			$	696

Revenue from External Customers by Geographic Areas [Table Text Block]

		Three months ended September 30,
		2025								2024
		Amount				Percentage				Amount				Percentage
Japan		$	277				64.4	%		$	534				63.7	%
Sweden			38				8.8	%			105				12.5	%
Germany			11				2.6	%			18				2.1	%
China			4				0.9	%			3				0.4	%
South Korea			-				-	%			14				1.7	%
Other			(1	)			(0.2	)%			-				-	%
		$	329				76.5	%		$	674				80.4	%
United States			101				23.5	%			164				19.6	%
Total		$	430				100.0	%		$	838				100.0	%

		Nine months ended September 30,
		2025								2024
		Amount				Percentage				Amount				Percentage
Japan		$	889				57.7	%		$	1,324				53.9	%
Sweden			275				17.8	%			328				13.4	%
Germany			34				2.2	%			105				4.3	%
China			14				0.9	%			10				0.4	%
South Korea			1				0.1	%			96				3.9	%
		$	1,213				78.7	%		$	1,863				75.9	%
United States			329				21.3	%			590				24.1	%
Total		$	1,542				100.0	%		$	2,453				100.0	%

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