Annual report pursuant to Section 13 and 15(d)

Cover

v3.22.0.1
Cover - USD ($)
 12 Months Ended
Oct. 03, 2021
Dec. 17, 2021
Mar. 28, 2021
Cover [Abstract]      
Document Type 10-K/A    
Amendment Flag true    
Amendment Description Amendment No. 1    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Oct. 03, 2021    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2021    
Current Fiscal Year End Date --10-03    
Entity File Number 000-54114    
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, par value $.001 per share    
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     $ 9,172,148
Entity Common Stock, Shares Outstanding   8,460,270  
ICFR Auditor Attestation Flag false