Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2018
Dec. 19, 2018
Mar. 31, 2018
Document And Entity Information      
Entity Registrant Name Optex Systems Holdings Inc    
Entity Central Index Key 0001397016    
Document Type 10-K    
Trading Symbol OPXS    
Document Period End Date Sep. 30, 2018    
Amendment Flag false    
Current Fiscal Year End Date --09-30    
Entity a Well-known Seasoned Issuer No    
Entity a Voluntary Filer No    
Entity's Reporting Status Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Emerging Growth Company false    
Entity Small Business true    
Entity Shell Company false    
Entity Public Float     $ 5,540,429
Entity Common Stock, Shares Outstanding   8,333,353  
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2018