Note 9 - Noncontrolling Interest - Clyra Medical (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

Schedule of Other Ownership Interests [Table Text Block]

Shareholder	Shares		Percent
BioLargo, Inc.		49,207		45	%
Sanatio Capital		18,704		17	%
Scion Solutions(1)		21,700		20	%
Other		19,280		18	%
Total		108,891

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

	June 30, 2021		December 31, 2020
Accounts payable and accrued expense	$	145	$	315
Accrued interest		25		42
Accrued payroll		161		156
Total accounts payable and accrued expenses	$	331	$	513

Clyra Medical [Member]

Notes Tables

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

	June 30, 2021		December 31, 2020
Accounts payable and accrued expense	$	582	$	402
Accrued interest		127		32
Accrued payroll		51		102
Total Clyra Medical accounts payable and accrued expenses	$	760	$	536