Note 10 - BioLargo Energy Technologies, Inc.	6 Months Ended
Jun. 30, 2025
BioLargo Energy Technologies, Inc (BETI) [Member]
Notes to Financial Statements
Noncontrolling Interest Disclosure [Text Block]	*Note 10.* BioLargo Energy Technologies, Inc.** BioLargo Energy Technologies, Inc. (“BETI”) was formed for the purpose of commercializing a proprietary liquid sodium battery technology. BioLargo purchased 9,000,000 shares of its common stock upon its formation and was initially its sole stockholder. No shares of common stock of BETI were sold during the six months ended June 30, 2025. During the three months ended March 31, 2024, BETI sold 20,000 shares of its common stock at $2.50 per share to one accredited investor and received $50,000 in gross proceeds. The investor entered into an agreement with BioLargo whereby the investor may exchange some or all of its shares of BETI common stock into shares of BioLargo common stock, at a price equal to a 20% discount of the volume weighted average price over the 20 trading days prior to the election to exchange. Elections must be made prior to December 31, 2025. As of June 30, 2025, BETI had 9,487,000 issued and outstanding shares, of which BioLargo holds 9,070,000.

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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