Segment Reporting (Details Narrative)	12 Months Ended
	Oct. 01, 2017 ft² Number
Number of reportable segments	2
Number of employees	100
Optex Systems (OPX) - Richardson, Texas [Member]
Number of employees	62
Leased facilities | ft²	49,100
Optex Systems (OPX) - Richardson, Texas [Member] | Sales Revenue, Net [Member]
Percentage of revenue	100.00%
Applied Optics Center (AOC) - Dallas [Member]
Number of employees	38
Leased facilities | ft²	44,867
Applied Optics Center (AOC) - Dallas [Member] | Sales Revenue, Net [Member]
Percentage of revenue	81.00%
Domestic Military Customers [Member] | Optex Systems (OPX) - Richardson, Texas [Member] | Sales Revenue, Net [Member]
Percentage of revenue	87.00%
Foreign Military Customers [Member] | Optex Systems (OPX) - Richardson, Texas [Member] | Sales Revenue, Net [Member]
Percentage of revenue	13.00%
Commercial Customers [Member] | Applied Optics Center (AOC) - Dallas [Member] | Sales Revenue, Net [Member]
Percentage of revenue	60.00%
General Dynamics [Member] | Optex Systems (OPX) - Richardson, Texas [Member] | Sales Revenue, Net [Member]
Percentage of revenue	29.00%
U.S. government [Member] | Optex Systems (OPX) - Richardson, Texas [Member] | Sales Revenue, Net [Member]
Percentage of revenue	60.00%
U.S. government [Member] | Applied Optics Center (AOC) - Dallas [Member] | Sales Revenue, Net [Member]
Percentage of revenue	5.00%
Other external customers [Member] | Optex Systems (OPX) - Richardson, Texas [Member] | Sales Revenue, Net [Member]
Percentage of revenue	11.00%
Other external customers [Member] | Applied Optics Center (AOC) - Dallas [Member] | Sales Revenue, Net [Member]
Percentage of revenue	11.00%
Nightforce Optics, Inc [Member] | Applied Optics Center (AOC) - Dallas [Member] | Sales Revenue, Net [Member]
Percentage of revenue	56.00%
Harris Corp. [Member] | Applied Optics Center (AOC) - Dallas [Member] | Sales Revenue, Net [Member]
Percentage of revenue	17.00%
L3 Communications [Member] | Applied Optics Center (AOC) - Dallas [Member] | Sales Revenue, Net [Member]
Percentage of revenue	11.00%
Subcontracted Customers [Member] | Applied Optics Center (AOC) - Dallas [Member] | Sales Revenue, Net [Member]
Percentage of revenue	40.00%
Military Contracts [Member] | Applied Optics Center (AOC) - Dallas [Member] | Sales Revenue, Net [Member]
Percentage of revenue	19.00%