Note 11 - Business Segment Information (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

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

March 31, 2023	BioLargo			ONM			Clyra			BLEST			Water			BETI			Elimination			Total
Revenue	$	—		$	3,543		$	6		$	363		$	—		$	—		$	(170	)	$	3,742
Intersegment revenue		—			—			—			(170	)		—			—			170			—
R&D expense		(189	)		—			(134	)		(245	)		(135	)		(32	)		170			(565	)
Operating income (loss)		(799	)		1,387			(426	)		(368	)		(184	)		(87	)		—			(477	)
Grant income		—			—			—			—			31			—			—			31
Interest expense		(36	)		(2	)		(10	)		—			—			—			—			(48	)
Net income (loss)		(835	)		1,385			(436	)		(368	)		(153	)		(87	)		—			(494	)

March 31, 2022	BioLargo			ONM			Clyra			BLEST			Water			Elimination			Total
Revenue	$	2		$	600		$	10		$	545		$	—		$	(188	)	$	965
Intersegment revenue		(2	)		(2	)		—			(188	)		—			192			—
Research and development		(265	)		—			(16	)		(108	)		(197	)		194			(392	)
Operating loss		(1,220	)		13			(240	)		(35	)		(228	)		—			(1,710	)
Grant income		—			—			—			—			5			—			5
Interest expense		(6	)		—			(7	)		—			—			—			(13	)
Net income (loss)		(1,226	)		187			(247	)		(35	)		(223	)		—			(1,544	)

As of March 31, 2023	BioLargo		ONM		Clyra		BLEST		Water		BETI		Elimination			Total
Tangible assets	$	530	$	3,392	$	578	$	505	$	223	$	628	$	(73	)	$	5,783
Right of use (leased assets)		114		—		—		723		—				—			837
Investment in South Korean joint venture		27		—		—		—		—				—			27
Total	$	671	$	3,392	$	578	$	1,228	$	223	$	628	$	(73	)	$	6,647

As of December 31, 2022	BioLargo		ONM		Clyra		BLEST		Water		Elimination			Total
Tangible assets	$	669	$	2,064	$	631	$	441	$	194	$	(41	)	$	3,958
Right of use (leased assets)		136		—		—		731		—		—			867
Investment in South Korean joint venture		33		—		—		—		—		—			33
Total	$	838	$	2,064	$	631	$	1,172	$	194	$	(41	)	$	4,858