Note 7 - Accounts Payable and Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

											Intercompany
Category	BioLargo		ONM		BLEST		Canada			BETI	amounts			Totals
Accounts payable	$	163	$	964	$	34	$	93	$	40	$	(82	)	$	1,212
Accrued payroll		49		86		116		—				—			251
Accrued interest		25		—		—		—				—			25
Total														$	1,488

									Intercompany
Category	BioLargo		ONM		BLEST		Canada		amounts			Totals
Accounts payable	$	187	$	486	$	7	$	119	$	(82	)	$	717
Accrued payroll		20		58		120		—		—			198
Accrued interest		25		—		—		—		—			25
Total												$	940