Note 11 - Non-controlling Interest	6 Months Ended
Jun. 30, 2014
Noncontrolling Interest [Abstract]
Noncontrolling Interest Disclosure [Text Block]	Note 11. Non-Controlling Interest In May 2012, we formed a subsidiary for the purpose of marketing and selling medical products containing our technology, Clyra Medical Technology, Inc. (“Clyra”). Until December 17, 2012, this subsidiary was wholly owned, with 7,500 shares issued to BioLargo, Inc. On December 17, 2012, Clyra signed executive employment agreements with three individuals, in which each was granted 500 shares of Clyra common stock, one-third of which vested immediately, and the remaining over time. The shares granted to the three executives are restricted from transfer until a sale of the company, whether by means of a sale of its stock or substantially all of its assets, or otherwise by agreement of Clyra, BioLargo and the executives. Clyra has raised $236,000 in proceeds through issuing 240 shares of its common stock during the year ended December 31, 2013 and raised an additional $220,000 in proceeds through issuing 220 shares of its common stock during the six-month period ended June 30, 2014. (See Note 4). The holdings of the executive officers and investors represent 20.7% of the issued and outstanding stock of the company.

- Definition

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.

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