Quarterly report pursuant to Section 13 or 15(d)

Accounting Policies (Details Narrative)

v3.22.1
Accounting Policies (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Apr. 03, 2022
Mar. 28, 2021
Apr. 03, 2022
Mar. 28, 2021
Jan. 02, 2022
Oct. 03, 2021
Dec. 27, 2020
Sep. 27, 2020
Product Information [Line Items]                
Warranty reserve $ 155,000 $ 63,000 $ 155,000 $ 63,000 $ 122,000 $ 78,000 $ 49,000 $ 83,000
Revenue from customer deposit liabilities 30,000 0 30,000 1,000        
Contract cost with customer 0   0          
Valuation allowance 800,000   800,000     800,000    
Deferred tax assets gross 2,100,000   2,100,000     2,100,000    
Deferred tax assets net $ 1,300,000   $ 1,300,000     $ 1,300,000    
Warrant [Member]                
Product Information [Line Items]                
Dividends       0        
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic   $ 0   $ 162,000        
Number of incremental shares       112,884        
Unvested Rectricted Stock Units [Member]                
Product Information [Line Items]                
Number of stock units were incremental dilutive shares 66,000 99,000 66,000 99,000        
Unvested Rectricted Stock [Member]                
Product Information [Line Items]                
Number of stock units were incremental dilutive shares 180,000 240,000 180,000          
Number of incremental shares 70,007 51,425 61,434          
Rectricted Stock [Member]                
Product Information [Line Items]                
Number of stock units were incremental dilutive shares       240,000        
Service [Member]                
Product Information [Line Items]                
Revenue recognized over time $ 120,000 $ 120,000 $ 240,000 $ 240,000        
U.S. Government Agencies [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                
Product Information [Line Items]                
Concentration risk percentage     13.00%          
Major U.S Defense Contractor One [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                
Product Information [Line Items]                
Concentration risk percentage     29.00%          
Major U.S Defense Contractor Two [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                
Product Information [Line Items]                
Concentration risk percentage     15.00%          
Major U.S Defense Contractor Three [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                
Product Information [Line Items]                
Concentration risk percentage     12.00%          
Major U.S Defense Contractor Four [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                
Product Information [Line Items]                
Concentration risk percentage     11.00%          
Major U.S Defense Contractor Five [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                
Product Information [Line Items]                
Concentration risk percentage     7.00%          
One Commercial Customer [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                
Product Information [Line Items]                
Concentration risk percentage     7.00%          
All Other Customers [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]                
Product Information [Line Items]                
Concentration risk percentage     6.00%