Annual report pursuant to Section 13 and 15(d)

Segment Reporting - Schedule of Information for Each of the Reportable Segments Profit or Loss as Well as Segment Assets for Each Year (Details)

Segment Reporting - Schedule of Information for Each of the Reportable Segments Profit or Loss as Well as Segment Assets for Each Year (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 29, 2019	Sep. 30, 2018
Total Revenue	$ 24,530	$ 20,853
Interest expense	23	20
Depreciation and Amortization	340	327
Income (loss) before taxes	4,518	1,561
Allocated home office expense
(Gain) Loss on Change in Fair Value of Warrants	(1,344)	(95)
Stock compensation expense	113	153
Royalty expense amortization	30	30
Warranty Expense	60	273
Segment Assets	17,556	12,687
Expenditures for segment assets	143	167
Other (Non Allocated Costs and Intersegment Eliminations) [Member]
Total Revenue	(1,712)	(1,556)
Interest expense	23	20
Depreciation and Amortization
Income (loss) before taxes	1,208	(78)
Allocated home office expense
(Gain) Loss on Change in Fair Value of Warrants	(1,344)	(95)
Stock compensation expense	113	153
Royalty expense amortization
Warranty Expense
Segment Assets
Expenditures for segment assets
Optex Systems (OPX) - Richardson, Texas [Member]
Total Revenue	16,219	12,739
Interest expense
Depreciation and Amortization	29	39
Income (loss) before taxes	2,019	882
Allocated home office expense	(684)	(669)
(Gain) Loss on Change in Fair Value of Warrants
Stock compensation expense
Royalty expense amortization	30	30
Warranty Expense
Segment Assets	11,570	8,343
Expenditures for segment assets	47	54
Applied Optics Center (AOC) - Dallas [Member]
Total Revenue	10,023	9,670
Interest expense
Depreciation and Amortization	311	288
Income (loss) before taxes	1,291	757
Allocated home office expense	684	669
(Gain) Loss on Change in Fair Value of Warrants
Stock compensation expense
Royalty expense amortization
Warranty Expense	60	273
Segment Assets	5,986	4,344
Expenditures for segment assets	96	113
Revenues from External Customers [Member]
Total Revenue	24,530	20,853
Revenues from External Customers [Member] \| Other (Non Allocated Costs and Intersegment Eliminations) [Member]
Total Revenue
Revenues from External Customers [Member] \| Optex Systems (OPX) - Richardson, Texas [Member]
Total Revenue	16,219	12,739
Revenues from External Customers [Member] \| Applied Optics Center (AOC) - Dallas [Member]
Total Revenue	8,311	8,114
Intersegment revenues [Member]
Total Revenue
Intersegment revenues [Member] \| Other (Non Allocated Costs and Intersegment Eliminations) [Member]
Total Revenue	(1,712)	(1,556)
Intersegment revenues [Member] \| Optex Systems (OPX) - Richardson, Texas [Member]
Total Revenue
Intersegment revenues [Member] \| Applied Optics Center (AOC) - Dallas [Member]
Total Revenue	$ 1,712	$ 1,556