Cover - USD ($)	12 Months Ended
	Dec. 30, 2023	Mar. 29, 2024	Jun. 30, 2023
Cover [Abstract]
Entity Registrant Name	ENGlobal Corporation
Entity Central Index Key	0000933738
Document Type	10-K/A
Amendment Flag	true
Entity Voluntary Filers	No
Current Fiscal Year End Date	--12-28
Entity Well Known Seasoned Issuer	No
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Dec. 30, 2023
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2023
Entity Common Stock Shares Outstanding		5,156,583
Entity Public Float			$ 10,144,231
Document Annual Report	true
Document Transition Report	false
Document Fin Stmt Error Correction Flag	false
Entity File Number	001-14217
Entity Incorporation State Country Code	NV
Entity Tax Identification Number	88-0322261
Entity Address Address Line 1	11740 Katy Fwy – Energy Tower III
Entity Address Address Line 2	11th floor
Entity Address City Or Town	Houston
Entity Address State Or Province	TX
Entity Address Postal Zip Code	77079
City Area Code	281
Amendment Description	ENGlobal Corporation (which may be referred to as “ENGlobal,” the “Company,” “we,” “us” or “our”) is filing this Amendment No. 1 to Annual Report on Form 10-K/A (this “Amended Form 10-K”) to amend our Annual Report on Form 10-K for the fiscal year ended December 30, 2023, as originally filed with the U.S. Securities and Exchange Commission (the “SEC”) on March 29, 2024 (the “Original Form 10-K”), to include Exhibit 97.1, which was omitted from Original Form 10-K. This Amended Form 10-K also updates, amends, and supplements Item 15 of the Original Form 10-K to include the filing of new Exhibits 31.3 and 31.4, certifications of our Chief Executive Officer and Chief Financial Officer, pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934, as amended. No other changes have been made to the Original Form 10-K. This Amended Form 10-K does not amend or otherwise update any other information in the Original Form 10-K. Accordingly, this Amended Form 10-K should be read in conjunction with the Original Form 10-K and with our subsequent filings with the SEC. All capitalized terms used but not defined herein shall have the meanings ascribed to them in the Original Form 10-K.
Icfr Auditor Attestation Flag	false
Local Phone Number	878-1000
Security 12b Title	Common Stock, $0.001 par value
Trading Symbol	ENG
Security Exchange Name	NASDAQ
Entity Interactive Data Current	Yes