Quarterly report pursuant to Section 13 or 15(d)

Accounting Policies (Details Narrative)

v3.5.0.2
Accounting Policies (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Oct. 24, 2011
Jun. 26, 2016
Jun. 28, 2015
Jun. 26, 2016
Jun. 28, 2015
Sep. 27, 2015
Mar. 29, 2015
Mar. 26, 2015
Nov. 03, 2014
Jun. 29, 2014
Net inventory increased       $ 797            
Intangible assets   $ 98   98            
Applied Optics Center [Member] | L3 Communications [Member] | Customer Backlog [Member]                    
Intangible assets   $ 0   $ 0   $ 0     $ 342  
Stock Option [Member]                    
Number of shares excluded from the earnings per share calculation as anti-dilutive   52,850 62,858 52,850 62,858          
Warrant [Member]                    
Number of shares excluded from the earnings per share calculation as anti-dilutive   0 1,000 0 1,000          
6% Series A Preferred Stock [Member]                    
Beneficial conversion feature on preferred stock, dividend     $ 0   $ 6,400          
Stock conversion price (in dollars per share)     $ 2.50   $ 2.50          
Share price (in dollars per share)   $ 6,860 $ 10.00 $ 6,860 $ 10.00         $ 6,860
Number of shares excluded from the earnings per share calculation as anti-dilutive   546 1,001 546 1,001          
Series B Preferred Stock [Member]                    
Beneficial conversion feature on preferred stock, dividend     $ 0   $ 6,400          
Stock conversion price (in dollars per share)     $ 2.50   $ 2.50   $ 2.50      
Share price (in dollars per share)     $ 10.00   $ 10.00   $ 10.00 $ 1,629    
Number of shares excluded from the earnings per share calculation as anti-dilutive   969 994 969 994          
General Dynamics Land Systems - Canada [Member]                    
Award contract amount $ 8,000                  
Milestone revenue $ 3,900 $ 0 $ 0 $ 0 $ 0          
Term of contract expired 2017                  
Optex Systems, Inc (Delaware) [Member]                    
Customer advance deposits   $ 600   $ 600            
Minimum [Member]                    
Delivery period       3 months            
Maximum [Member]                    
Delivery period       36 months