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Leases (Details Narrative) - USD ($) | 9 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024
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Operating lease expense | $ 256,733 | $ 146,523
Focus Universal California [Member] |  |
DisclosureLineElements [Line Items] |  |
Lessee operating lease description | On July 8, 2024, the Company entered into a Standard Industrial/Commercial Single-Tenant Lease (the “Lease”) with the Veena Asset Management, LLC to lease the same Focus Universal premises located at 2311 East Locust Court, Ontario, CA 91761 back for one year commencing at the close of escrow of the Purchase Agreement and ending on July 31, 2025, for 14,004 square foot office and warehouse space. Base monthly rent is $16,804, with a total of $58,812 which was due upon execution of the lease. |

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- Definition Description of lessee's operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-3 + Details
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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-4 + Details
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