Note 11 - BioLargo Consumer Product Group, LLC	6 Months Ended
Jun. 30, 2026
BioLargo Consumer Products Group (BCPG) [Member]
Notes to Financial Statements
Noncontrolling Interest Disclosure [Text Block]	*Note 11.* BioLargo Consumer Product Group, LLC.** BioLargo CPG LLC (“BCPG”) was formed to commercialize household consumer products based on BioLargo's technologies. Company members include management and key service providers. As of June 30, 2026, BioLargo owns 78%. During the six months ended June 30, 2026, BCPG issued 4,092 membership shares at $5.00 per share to a vendor in lieu of accrued and unpaid services totaling $20,462.

The entire disclosure for noncontrolling interest in consolidated subsidiaries, which could include the name of the subsidiary, the ownership percentage held by the parent, the ownership percentage held by the noncontrolling owners, the amount of the noncontrolling interest, the location of this amount on the balance sheet (when not reported separately), an explanation of the increase or decrease in the amount of the noncontrolling interest, the noncontrolling interest share of the net Income or Loss of the subsidiary, the location of this amount on the income statement (when not reported separately), the nature of the noncontrolling interest such as background information and terms, the amount of the noncontrolling interest represented by preferred stock, a description of the preferred stock, and the dividend requirements of the preferred stock.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 810
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/810/tableOfContent

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