Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands |
Clyra Medical Technologies [Member]
Common Stock [Member]
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Clyra Medical Technologies [Member]
Additional Paid-in Capital [Member]
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Clyra Medical Technologies [Member]
Retained Earnings [Member]
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Clyra Medical Technologies [Member]
AOCI Attributable to Parent [Member]
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Clyra Medical Technologies [Member]
Noncontrolling Interest [Member]
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Clyra Medical Technologies [Member] |
BioLargo Energy Technologies, Inc (BETI) [Member]
Common Stock [Member]
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BioLargo Energy Technologies, Inc (BETI) [Member]
Additional Paid-in Capital [Member]
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BioLargo Energy Technologies, Inc (BETI) [Member]
Retained Earnings [Member]
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BioLargo Energy Technologies, Inc (BETI) [Member]
AOCI Attributable to Parent [Member]
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BioLargo Energy Technologies, Inc (BETI) [Member]
Noncontrolling Interest [Member]
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BioLargo Energy Technologies, Inc (BETI) [Member] |
Common Stock [Member] |
Additional Paid-in Capital [Member] |
Retained Earnings [Member] |
AOCI Attributable to Parent [Member] |
Noncontrolling Interest [Member] |
Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Balance (in shares) at Dec. 31, 2024 | 301,274,243 | |||||||||||||||||
| Balance at Dec. 31, 2024 | $ 202 | $ 158,332 | $ (149,500) | $ (183) | $ (2,795) | $ 6,056 | ||||||||||||
| Sale of common stock for cash, net of offering costs of $15 (unaudited) (in shares) | 0 | |||||||||||||||||
| Issuance of common stock for services (unaudited) (in shares) | 220,330 | |||||||||||||||||
| Issuance of common stock for services (unaudited) | $ 0 | 61 | 0 | 0 | 0 | 61 | ||||||||||||
| Stock option compensation expense (unaudited) | 0 | 409 | 0 | 0 | 0 | 409 | ||||||||||||
| Clyra Medical stock option compensation expense (unaudited) | $ 0 | $ 0 | $ 0 | $ 0 | $ 206 | $ 206 | ||||||||||||
| Clyra Medical dividend Series A Preferred stock (unaudited) | 0 | 0 | 0 | 0 | (86) | (86) | ||||||||||||
| Clyra Medical fair value warrant issued with debt (unaudited) | 0 | 0 | 0 | 0 | 69 | 69 | ||||||||||||
| Noncontrolling interest allocation (unaudited) | 0 | (522) | 0 | 0 | 522 | 0 | ||||||||||||
| Net loss (unaudited) | 0 | 0 | (1,155) | 0 | (766) | (1,921) | ||||||||||||
| Foreign currency translation (unaudited) | $ 0 | 0 | 0 | (20) | 0 | (20) | ||||||||||||
| Balance (in shares) at Mar. 31, 2025 | 301,760,373 | |||||||||||||||||
| Balance at Mar. 31, 2025 | $ 202 | 158,265 | (150,655) | (203) | (2,519) | 5,090 | ||||||||||||
| Sale of common stock for cash, net of offering costs of $15 (unaudited) | $ 0 | (15) | 0 | 0 | 0 | (15) | ||||||||||||
| Stock option exercise (unaudited) (in shares) | 265,800 | |||||||||||||||||
| Stock option exercise (unaudited) | $ 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||||
| Clyra Medical stock issued for services (unaudited) | 0 | 0 | 0 | 0 | 36 | 36 | ||||||||||||
| Clyra Medical stock unit offering (unaudited) | 0 | 0 | 0 | 0 | 295 | 295 | ||||||||||||
| Balance (in shares) at Dec. 31, 2025 | 317,377,777 | |||||||||||||||||
| Balance at Dec. 31, 2025 | $ 213 | 165,316 | (161,280) | (207) | (2,516) | 1,526 | ||||||||||||
| Sale of common stock for cash, net of offering costs of $15 (unaudited) (in shares) | 1,539,744 | |||||||||||||||||
| Sale of common stock for cash, net of offering costs of $15 (unaudited) | $ 1 | 255 | 0 | 0 | 0 | 256 | ||||||||||||
| Issuance of common stock for services (unaudited) (in shares) | 282,407 | |||||||||||||||||
| Issuance of common stock for services (unaudited) | $ 0 | 46 | 0 | 0 | 0 | 46 | ||||||||||||
| Stock option compensation expense (unaudited) | $ 0 | 286 | 0 | 0 | 0 | 286 | ||||||||||||
| Common stock issued as a fee (unaudited) (in shares) | 500,000 | |||||||||||||||||
| Common stock issued as a fee (unaudited) | $ 0 | 85 | 0 | 0 | 0 | 85 | ||||||||||||
| Clyra Medical stock option compensation expense (unaudited) | 0 | 0 | 0 | 0 | 413 | 413 | ||||||||||||
| Clyra Medical dividend Series A Preferred stock (unaudited) | 0 | 0 | 0 | 0 | (86) | (86) | ||||||||||||
| Clyra Medical fair value warrant issued with debt (unaudited) | $ 0 | $ 0 | $ 0 | $ 0 | $ 232 | $ 232 | ||||||||||||
| BETI unit offering (unaudited) | $ 0 | $ 0 | $ 0 | $ 0 | $ 462 | $ 462 | ||||||||||||
| Noncontrolling interest allocation (unaudited) | 0 | (641) | 0 | 0 | 641 | 0 | ||||||||||||
| Net loss (unaudited) | 0 | 0 | (2,286) | 0 | (1,119) | (3,405) | ||||||||||||
| Foreign currency translation (unaudited) | $ 0 | 0 | 0 | (2) | 0 | (2) | ||||||||||||
| Balance (in shares) at Mar. 31, 2026 | 9,730,691 | 319,699,928 | ||||||||||||||||
| Balance at Mar. 31, 2026 | $ 214 | $ 165,347 | $ (163,566) | $ (209) | $ (1,973) | $ (187) |
| X | ||||||||||
- Definition Amount of increase in additional paid in capital from subsidiary issuance of equity interests for compensation expense. No definition available.
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| X | ||||||||||
- Definition Amount of increase in additional paid in capital from subsidiary issuance of equity interests for service. No definition available.
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| X | ||||||||||
- Definition Amount of increase in noncontrolling interest from warrants issued. No definition available.
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| X | ||||||||||
- Definition The number of shares issued during the period as a fee. No definition available.
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| X | ||||||||||
- Definition Equity impact of the value of new stock issued during the period, net of offering costs. No definition available.
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| X | ||||||||||
- Definition The value of the stock issued during the period that was issued as a fee. No definition available.
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| X | ||||||||||
- Definition This element represents movements included in the statement of changes in stockholders' equity in connection with the allocation of noncontrolling interest from subsidiary's equity issuance. No definition available.
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| X | ||||||||||
- Definition Value of the new units issued during the period. Each unit consists of a convertible promissory note and a stock purchase warrant. No definition available.
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| X | ||||||||||
- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for option under share-based payment arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount after income tax of income (loss) including the portion attributable to nonredeemable noncontrolling interest. Excludes the portion attributable to redeemable noncontrolling interest recognized as temporary equity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of increase in noncontrolling interest from sale of a portion of the parent's controlling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares issued which are neither cancelled nor held in the treasury. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Value of stock issued as a result of the exercise of stock options. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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