Organization and Plan of Operations	3 Months Ended
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization and Plan of Operations	NOTE 1 – ORGANIZATION AND PLAN OF OPERATIONS Cemtrex was incorporated in 1998, in the state of Delaware and has evolved through strategic acquisitions and internal growth from a small environmental monitoring instruments company into a world leading multi-industry technology company. The Company drives innovation in a wide range of sectors, including smart technology, virtual and augmented realities, advanced electronic systems, industrial solutions, and intelligent security systems. Unless the context requires otherwise, all references to “we”, “our”, “us”, “Company”, “registrant”, “Cemtrex” or “management” refer to Cemtrex, Inc. and its subsidiaries. The Company continuously assesses the composition of its portfolio businesses to ensure it is aligned with its strategic objectives and positioned to maximize growth and return in the coming years. During fiscal 2019, the Company made a strategic decision to exit its Electronics Manufacturing group by selling all companies in that business segment on August 15, 2019. Accordingly, the Company has reported the results of the Electronics Manufacturing business as discontinued operations in the Consolidated Statements of Income and in the Consolidated Balance Sheets. These changes have been applied for all periods presented. During fiscal 2019, the Company also reached a strategic decision to exit the environmental products business which was part of Industrial Services group. Accordingly, the Company has reported the results of the environmental control products business as discontinued operations in the Condensed Consolidated Statements of Operations and Comprehensive Income/(Loss) and in the Condensed Consolidated Statements of Cash Flows. Now the Company has two business segments, consisting of (i) Advanced Technologies (AT) and (ii) Industrial Services (IS) Advanced Technologies (AT) Cemtrex’s Advanced Technologies segment delivers cutting-edge technologies in the IoT, Wearables and Smart Devices, such as the SmartDesk. Through the Company’s advanced engineering and product design, they deliver progressive design and development solutions to create impactful experiences for mobile, web, virtual and augmented reality, wearables and television as well as providing cutting edge, mission critical security and video surveillance. Through its Cemtrex VR division, the Company is developing a wide variety of applications for virtual and augmented reality markets. The AT business segment also includes the Company’s majority owned subsidiary, Vicon Industries, which provides end-to-end security solutions to meet the toughest corporate, industrial and governmental security challenges. Vicon’s products include browser-based Video monitoring systems and facial recognition systems, cameras, servers, and access control systems for every aspect of security and surveillance in industrial and commercial facilities, federal prisons, hospitals, universities, schools, and federal and state government offices. Industrial Services (IS) Cemtrex’s IS segment, offers single-source expertise and services for rigging, millwrighting, in plant maintenance, equipment erection, relocation, and disassembly to diversified customers. We install high precision equipment in a wide variety of industrial markets like automotive, printing & graphics, industrial automation, packaging, and chemicals among others. We are a leading provider of reliability-driven maintenance and contracting solutions for the machinery, packaging, printing, chemical, and other manufacturing markets. The focus is on customers seeking to achieve greater asset utilization and reliability to cut costs and increase production from existing assets, including small projects, sustaining capital, turnarounds, maintenance, specialty welding services, and high-quality scaffolding.

Organization and Plan of Operations

3 Months Ended

Dec. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

NOTE 1 – ORGANIZATION AND PLAN OF OPERATIONS

Cemtrex was incorporated in 1998, in the state of Delaware and has evolved through strategic acquisitions and internal growth from a small environmental monitoring instruments company into a world leading multi-industry technology company. The Company drives innovation in a wide range of sectors, including smart technology, virtual and augmented realities, advanced electronic systems, industrial solutions, and intelligent security systems. Unless the context requires otherwise, all references to “we”, “our”, “us”, “Company”, “registrant”, “Cemtrex” or “management” refer to Cemtrex, Inc. and its subsidiaries.

The Company continuously assesses the composition of its portfolio businesses to ensure it is aligned with its strategic objectives and positioned to maximize growth and return in the coming years. During fiscal 2019, the Company made a strategic decision to exit its Electronics Manufacturing group by selling all companies in that business segment on August 15, 2019. Accordingly, the Company has reported the results of the Electronics Manufacturing business as discontinued operations in the Consolidated Statements of Income and in the Consolidated Balance Sheets. These changes have been applied for all periods presented. During fiscal 2019, the Company also reached a strategic decision to exit the environmental products business which was part of Industrial Services group. Accordingly, the Company has reported the results of the environmental control products business as discontinued operations in the Condensed Consolidated Statements of Operations and Comprehensive Income/(Loss) and in the Condensed Consolidated Statements of Cash Flows.

Now the Company has two business segments, consisting of (i) Advanced Technologies (AT) and (ii) Industrial Services (IS)

Advanced Technologies (AT)

Cemtrex’s Advanced Technologies segment delivers cutting-edge technologies in the IoT, Wearables and Smart Devices, such as the SmartDesk. Through the Company’s advanced engineering and product design, they deliver progressive design and development solutions to create impactful experiences for mobile, web, virtual and augmented reality, wearables and television as well as providing cutting edge, mission critical security and video surveillance. Through its Cemtrex VR division, the Company is developing a wide variety of applications for virtual and augmented reality markets.

The AT business segment also includes the Company’s majority owned subsidiary, Vicon Industries, which provides end-to-end security solutions to meet the toughest corporate, industrial and governmental security challenges. Vicon’s products include browser-based Video monitoring systems and facial recognition systems, cameras, servers, and access control systems for every aspect of security and surveillance in industrial and commercial facilities, federal prisons, hospitals, universities, schools, and federal and state government offices.

Industrial Services (IS)

Cemtrex’s IS segment, offers single-source expertise and services for rigging, millwrighting, in plant maintenance, equipment erection, relocation, and disassembly to diversified customers. We install high precision equipment in a wide variety of industrial markets like automotive, printing & graphics, industrial automation, packaging, and chemicals among others. We are a leading provider of reliability-driven maintenance and contracting solutions for the machinery, packaging, printing, chemical, and other manufacturing markets. The focus is on customers seeking to achieve greater asset utilization and reliability to cut costs and increase production from existing assets, including small projects, sustaining capital, turnarounds, maintenance, specialty welding services, and high-quality scaffolding.