Quarterly report pursuant to Section 13 or 15(d)

Accounting Policies (Details Narrative)

v3.10.0.1
Accounting Policies (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Dec. 08, 2018
Dec. 30, 2018
Dec. 31, 2017
Sep. 30, 2018
Oct. 01, 2017
Warranty reserve   $ 73 $ 251 $ 101 $ 174
Warranty expense   77      
Net gain in warranty expenses   (21)      
Valuation allowance   (2,700)   (2,900)  
Deferred tax assets $ 100 2,700   2,900  
Increase (decrease) in deferred tax assets, valuation allowance   (200)      
Decrease in deferred tax assets   (200)      
Deferred contract revenue   289      
Refund of customer deposit   19      
Liabilities for customer deposit   5      
Contract cost with customer   $ 0   $ 0  
Unexercised stock options 34,980        
Net operating loss carryforward $ 100        
Declared Dividends     $ 262    
Net decrease in basic and diluted income (loss) (in dollars per share)     $ (0.01)    
Net loss related to common share (in dollars per share)   $ (0.16) $ 0.02    
Accounts Receivable [Member] | U.S. Defense Contractor [Member]          
Concentration risk percentage   69.00%      
Accounts Receivable [Member] | U.S. Government Agencies [Member]          
Concentration risk percentage   11.00%      
Accounts Receivable [Member] | One Large Commercial Customer [Member]          
Concentration risk percentage   7.00%      
Accounts Receivable [Member] | All Other Customers [Member]          
Concentration risk percentage   13.00%      
Unvested Restricted Stock Option [Member]          
Number of stock units were excluded as anti-dilutive   99,000 182,000    
Stock Option [Member]          
Number of stock units were excluded as anti-dilutive   25,000 60,000    
Warrant [Member]          
Number of stock units were excluded as anti-dilutive   4,260,785 4,323,135    
Declared Dividends   $ 0      
Allocated undistributed earnings   $ 671      
Series C Preferred Stock [Member]          
Number of stock units were excluded as anti-dilutive     78    
Number of common shares issued upon conversion     325,000    
Warrants And Series C Preferred Shares [Member]          
Declared Dividends     $ 90    
Allocated undistributed earnings     $ 0