Annual report pursuant to Section 13 and 15(d)

Cover

Cover - USD ($)	12 Months Ended
Cover - USD ($)	Sep. 29, 2024	Dec. 19, 2024	Mar. 31, 2024
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Sep. 29, 2024
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2024
Current Fiscal Year End Date	--09-29
Entity File Number	001-41644
Entity Registrant Name	OPTEX SYSTEMS HOLDINGS, INC.
Entity Central Index Key	0001397016
Entity Tax Identification Number	90-0609531
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	1420 Presidential Drive
Entity Address, City or Town	Richardson
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	75081-2439
City Area Code	(972)
Local Phone Number	764-5700
Title of 12(b) Security	Common Stock, $0.001 par value
Trading Symbol	OPXS
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 30,995,045
Entity Common Stock, Shares Outstanding		6,896,738
Documents Incorporated by Reference [Text Block]	Portions of the registrant’s definitive proxy statement for the annual meeting of stockholders to be filed pursuant to Regulation 14A or an amendment to this Annual Report on Form 10-K are incorporated by reference into Items 10, 11, 12, 13, and 14 of Part III of this report. The registrant expects to file its definitive proxy statement or an amendment to this Annual Report on Form 10-K with the Securities and Exchange Commission within 120 days of September 29, 2024.
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction [Flag]	false
Auditor Opinion [Text Block]	We have audited the accompanying consolidated balance sheets of Optex Systems Holdings, Inc. and subsidiaries (the “Company”) as of September 29, 2024 and October 1, 2023, and the related consolidated statements of income, stockholders’ equity, and cash flows for the twelve months then ended, and the related notes (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of September 29, 2024 and October 1, 2023, and the results of their operations and their cash flows for the twelve months then ended, in conformity with accounting principles generally accepted in the United States of America.
Auditor Name	Whitley Penn LLP
Auditor Location	Dallas, Texas
Auditor Firm ID	726