Note 12 - Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Time period	BioLargo Corp / ONM		BLEST		Total
Year ending December 31, 2020	$	111,000	$	65,000	$	176,000
Year ending December 31, 2021		115,000		65,000		180,000
Year ending December 31, 2022		118,000		43,000		181,000
Year ending December 31, 2023		122,000		--		122,000
Year ending December 31, 2024		71,000		--		71,000
Total	$	537,000	$	173,000	$	710,000