Quarterly report pursuant to Section 13 or 15(d)

Accounting Policies (Details Narrative)

v3.22.2.2
Accounting Policies (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Jul. 03, 2022
Jun. 27, 2021
Jul. 03, 2022
Jun. 27, 2021
Apr. 03, 2022
Oct. 03, 2021
Mar. 28, 2021
Sep. 27, 2020
Product Information [Line Items]                
Warranty reserve $ 196,000 $ 68,000 $ 196,000 $ 68,000 $ 155,000 $ 78,000 $ 63,000 $ 83,000
Revenue from customer deposit liabilities 0 $ 0 0 $ 1,000        
Deferred revenue 256,000   256,000          
Deferred tax assets, valuation allowance (800,000)   (800,000)     (800,000)    
Deferred tax assets. gross 1,700,000   1,700,000     2,100,000    
Deferred tax assets. net $ 900,000   900,000     $ 1,300,000    
Cash recovered     $ 300,000          
Unvested Rectricted Stock Units [Member]                
Product Information [Line Items]                
Dilutive securities included in caluculation of earning per share 66,000 99,000 66,000 99,000        
Unvested Rectricted Stock [Member]                
Product Information [Line Items]                
Dilutive securities included in caluculation of earning per share 180,000 240,000 180,000 240,000        
Number of incremental shares 98,678 36,883 73,849 87,550        
Warrant [Member]                
Product Information [Line Items]                
Dividends   $ 0   $ 0        
Undistributed earnings   464,000   622,000        
Service [Member]                
Product Information [Line Items]                
Revenue recognized over time $ 120,000 $ 120,000 $ 352,000 $ 359,000        
U.S. Government Agencies [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                
Product Information [Line Items]                
Concentration risk percentage     11.00%          
Major U.S. Defense Contractor One [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                
Product Information [Line Items]                
Concentration risk percentage     18.00%          
Major U.S. Defense Contractor Two [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                
Product Information [Line Items]                
Concentration risk percentage     16.00%          
Major U.S. Defense Contractor Three [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                
Product Information [Line Items]                
Concentration risk percentage     15.00%          
Major U.S. Defense Contractor Four [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                
Product Information [Line Items]                
Concentration risk percentage     9.00%          
Major U.S. Defense Contractor Five [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                
Product Information [Line Items]                
Concentration risk percentage     6.00%          
One Commercial Customer [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                
Product Information [Line Items]                
Concentration risk percentage     17.00%          
All Other Customers [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                
Product Information [Line Items]                
Concentration risk percentage     8.00%