Annual report pursuant to Section 13 and 15(d)

Accounting Policies (Details Narrative)

v3.10.0.1
Accounting Policies (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Aug. 26, 2016
Sep. 30, 2018
Oct. 01, 2017
Oct. 02, 2016
Sep. 27, 2015
Cash and cash equivalents   $ 1,133 $ 1,682 $ 2,568 $ 683
Federal deposit insurance amount   250      
Allowance for doubtful accounts   5 2    
Bad debt expenses associated with uncollectable accounts   $ 3 (12)    
Warranty period   12 months      
Warranty reserve   $ 101 174 $ 28  
Increase (Decrease) in warranty reserves   $ (73)      
Depreciation method   straight line method      
Customer advances and deposits   $ 308 927    
Valuation allowance   (2,900)      
Deferred tax assets   2,900      
Customer advance deposits   308 927    
Estimated cost for repairs on 2017 accrued warranty returns   98      
Declared Dividends   $ (523) $ (522)    
Net decrease in basic and diluted income (loss)   $ (0.05) $ (0.02)    
Net loss related to common share   $ 0.11 (0.06)    
Previously Reported [Member]          
Net loss related to common share     $ (0.04)    
Warrant [Member]          
Number of stock units were excluded as anti-dilutive   4,260,785 4,323,135    
Declared Dividends   $ 178 $ 206    
Stock Option [Member]          
Number of stock units were excluded as anti-dilutive   59,980 56,260    
Series C Preferred Shares [Member]          
Number of stock units were excluded as anti-dilutive     174    
Number of common shares issued upon conversion     725,000    
Unvested Restricted Stock Option [Member]          
Number of stock units were excluded as anti-dilutive     182,000    
Accounts Receivable [Member]          
Concentration risk, percentage   88.00% 94.00%    
U.S. Government Agencies [Member] | Accounts Receivable [Member]          
Concentration risk, percentage   25.00% 14.00%    
U.S Defense Contractor [Member] | Sales Revenue, Net [Member]          
Concentration risk, percentage   29.00%      
U.S Defense Contractor [Member] | Accounts Receivable [Member]          
Concentration risk, percentage   53.00% 42.00%    
Commercial Customers [Member] | Accounts Receivable [Member]          
Concentration risk, percentage   10.00% 15.00%    
Commercial Customer [Member] | Accounts Receivable [Member]          
Concentration risk, percentage     23.00%    
Minimum [Member]          
Estimated useful lives of the assets   P3Y      
Product fixed delivery period   3 months      
Maximum [Member]          
Estimated useful lives of the assets   P7Y      
Product fixed delivery period   36 months      
Series C Preferred Shares [Member]          
Number of shares issued 400        
Allocated undistributed earnings   $ 286      
Series C Preferred Shares [Member] | Public Offering [Member]          
Number of shares issued 400