Accounting Policies (Details Narrative) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 02, 2017	Mar. 27, 2016	Apr. 02, 2017	Mar. 27, 2016	Oct. 02, 2016
Unliquidated Progress Payments	$ (28)		$ (28)
Net inventory increased			$ 960
6% Series A Preferred Stock [Member]
Number of shares excluded from the earnings per share calculation as anti-dilutive		546		546
Series B Preferred Stock [Member]
Number of shares excluded from the earnings per share calculation as anti-dilutive		969		969
Stock Option [Member]
Number of shares excluded from the earnings per share calculation as anti-dilutive	56,280	62,836	56,280	62,836
Warrant [Member]
Number of shares excluded from the earnings per share calculation as anti-dilutive	4,125,200	0	4,125,200	0
Restricted Stock Units [Member]
Number of shares excluded from the earnings per share calculation as anti-dilutive	132,000		132,000
Optex Systems, Inc (Delaware) [Member]
Customer advance deposits	$ 600		$ 600
Minimum [Member]
Delivery period			3 months
Maximum [Member]
Delivery period			36 months