Note 3 - Lincoln Park Financing (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Stock Issued [Table Text Block]

	2018		2019
Shares sold to Lincoln Park		2,891,749		556,144
Additional commitment shares		41,016		6,194
Total shares issued to Lincoln Park:		2,932,765		562,338
Gross proceeds to BioLargo:	$	839,000	$	125,000