Organization and Operations	12 Months Ended
Dec. 31, 2023
Accounting Policies [Abstract]
Organization and Operations	Note 1 – Organization and Operations Focus Universal Inc. (“Focus”) was incorporated under the laws of the State of Nevada on December 4, 2012 (“Inception”). It is a universal smart instrument developer and manufacturer, headquartered in Ontario, California, specializing in the development and commercialization of novel and proprietary universal smart technologies and instruments. Focus Universal Inc. is also a provider of patented hardware and software design technologies for Internet of Things (“IoT”) and 5G. The company has developed five disruptive patented technology platforms with 26 patents and patents pending in various phases and 8 trademarks pending in various phases to solve the major problems facing hardware and software design and production within the industry today. These technologies combined to have the potential to reduce costs, product development timelines and energy usage while increasing range, speed, efficiency, and security. The smartphone or other mobile device, foundation, and sensor readouts together perform the functions of many traditional scientific and engineering instruments and are intended to replace the traditional, wired stand-alone instruments at a fraction of their cost. The company has multiple subsidiary units, including Perfecular Inc. (“Perfecular”), AVX Design and Integration Inc. (“AVX,” also doing business as Smart AVX (“Smart AVX”)), Focus Universal (Shenzhen) Technology Company LTD (“Focus Shenzhen”), Lusher Bioscientific, Inc. (“Lusher”), and AT Tech Systems LLC (“AT Tech LLC”). Perfecular Inc. a wholly owned subsidiary of Focus, was founded in September 2009 and is headquartered in Ontario, California, and is engaged in designing certain digital sensor products and sells a broad selection of horticultural sensors and filters in North America and Europe. AVX, incorporated on June 16, 2000 in the state of California, is an internet of IoT installation and management company specializing in high performance and easy to use audio/video systems, home theaters, lighting control, automation and integration. Services provided by AVX include full integration of houses, apartments, commercial complexes, office spaces with audio, visual and control systems to fully integrate devices in the low voltage field, specializing in high end residential smart IoT install projects in areas throughout the Southern California area. AVX’s services also include partial equipment upgrade and installation. AVX also markets and sells our IoT Products, such as high end LED, live wall panel products and cameras, under the Smart AVX name. On December 23, 2021, Focus Shenzhen was founded as a mainland China office for manufacturing procurement expertise and support research and development activities. Focus Shenzhen is designed to function as a branch office accessing high level ability to source products and build relationships with manufacturers in the region and as a lower cost form of support research and development as engineers are more plentiful in the region. On January 5, 2022, the Company founded a wholly owned subsidiary named Lusher Bioscientific, Inc. Lusher Bioscientific was founded to market to the hydroponic and controlled agriculture market and to assist in the product development of IoT technology products within this sector. As of the date of this filing, Lusher’s activities are in the introductory phase. As of January 6, 2023, AT Tech Systems is a subsidiary of Focus specializing in commercial and industrial smart IoT install projects in areas throughout the Southern California area. AT Tech Systems has several clients from medical/dental facilities and commercial and industrial projects, including several with notable manufacturers and wholesalers, and provides clients with integrated network, security, and multimedia design solutions and technology systems. The Company has completed integration throughout its existing businesses, including key employees serving dual roles with its subsidiaries. For example, Mr. Anthony Tejeda serves as the Company’s director of installation services, as the vice president of operations of AVX, and as chief operating officer of AT Tech Systems.

Organization and Operations

12 Months Ended

Dec. 31, 2023

Note 1 – Organization and Operations

Focus Universal Inc. (“Focus”) was incorporated under the laws of the State of Nevada on December 4, 2012 (“Inception”). It is a universal smart instrument developer and manufacturer, headquartered in Ontario, California, specializing in the development and commercialization of novel and proprietary universal smart technologies and instruments. Focus Universal Inc. is also a provider of patented hardware and software design technologies for Internet of Things (“IoT”) and 5G. The company has developed five disruptive patented technology platforms with 26 patents and patents pending in various phases and 8 trademarks pending in various phases to solve the major problems facing hardware and software design and production within the industry today. These technologies combined to have the potential to reduce costs, product development timelines and energy usage while increasing range, speed, efficiency, and security. The smartphone or other mobile device, foundation, and sensor readouts together perform the functions of many traditional scientific and engineering instruments and are intended to replace the traditional, wired stand-alone instruments at a fraction of their cost.

The company has multiple subsidiary units, including Perfecular Inc. (“Perfecular”), AVX Design and Integration Inc. (“AVX,” also doing business as Smart AVX (“Smart AVX”)), Focus Universal (Shenzhen) Technology Company LTD (“Focus Shenzhen”), Lusher Bioscientific, Inc. (“Lusher”), and AT Tech Systems LLC (“AT Tech LLC”). Perfecular Inc. a wholly owned subsidiary of Focus, was founded in September 2009 and is headquartered in Ontario, California, and is engaged in designing certain digital sensor products and sells a broad selection of horticultural sensors and filters in North America and Europe. AVX, incorporated on June 16, 2000 in the state of California, is an internet of IoT installation and management company specializing in high performance and easy to use audio/video systems, home theaters, lighting control, automation and integration. Services provided by AVX include full integration of houses, apartments, commercial complexes, office spaces with audio, visual and control systems to fully integrate devices in the low voltage field, specializing in high end residential smart IoT install projects in areas throughout the Southern California area. AVX’s services also include partial equipment upgrade and installation. AVX also markets and sells our IoT Products, such as high end LED, live wall panel products and cameras, under the Smart AVX name.

On December 23, 2021, Focus Shenzhen was founded as a mainland China office for manufacturing procurement expertise and support research and development activities. Focus Shenzhen is designed to function as a branch office accessing high level ability to source products and build relationships with manufacturers in the region and as a lower cost form of support research and development as engineers are more plentiful in the region.

On January 5, 2022, the Company founded a wholly owned subsidiary named Lusher Bioscientific, Inc. Lusher Bioscientific was founded to market to the hydroponic and controlled agriculture market and to assist in the product development of IoT technology products within this sector. As of the date of this filing, Lusher’s activities are in the introductory phase.

As of January 6, 2023, AT Tech Systems is a subsidiary of Focus specializing in commercial and industrial smart IoT install projects in areas throughout the Southern California area. AT Tech Systems has several clients from medical/dental facilities and commercial and industrial projects, including several with notable manufacturers and wholesalers, and provides clients with integrated network, security, and multimedia design solutions and technology systems. The Company has completed integration throughout its existing businesses, including key employees serving dual roles with its subsidiaries. For example, Mr. Anthony Tejeda serves as the Company’s director of installation services, as the vice president of operations of AVX, and as chief operating officer of AT Tech Systems.