Quarterly report pursuant to Section 13 or 15(d)

Accounting Policies (Details Narrative)

v3.21.2
Accounting Policies (Details Narrative) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 27, 2021
Jun. 28, 2020
Jun. 27, 2021
Jun. 28, 2020
Mar. 28, 2021
Sep. 27, 2020
Mar. 29, 2020
Sep. 29, 2019
Sep. 27, 2019
Product Information [Line Items]                  
Right-of-use asset $ 3,721 [1]   $ 3,721 [1]     $ 1,416     $ 1,800
Lease liability 3,783 [2]   3,783 [2]           $ 1,900
Warranty reserve 68 $ 111 68 $ 111 $ 63 83 $ 105 $ 46  
Revenue 4,433 5,849 13,149 18,682          
Deferred tax asset valuation allowance 1,000   1,000     1,000      
Deferred tax assets 2,300   2,300     2,300      
Net deferred tax asset 1,300   1,300     $ 1,300      
Warrant [Member]                  
Product Information [Line Items]                  
Dividends     0 0          
Undistributed earnings $ 464 $ 0 $ 622 $ 372          
Number of stock option were excluded as dilutive 4,125,200   4,125,200            
Unvested Restricted Stock Units [Member]                  
Product Information [Line Items]                  
Number of stock option were included as dilutive 99,000   99,000 182,000          
Number of stock units were incremental dilutive shares 36,883 210,112 36,883 124,006          
Number of stock option were excluded as dilutive   182,000              
Unvested Restricted Stock [Member]                  
Product Information [Line Items]                  
Number of stock option were included as dilutive 240,000   240,000 300,000          
Number of stock units were incremental dilutive shares 87,550 210,112 87,550 124,006          
Number of stock option were excluded as dilutive   300,000              
Service Contract [Member]                  
Product Information [Line Items]                  
Revenue recognized over time   $ 113 $ 359 $ 339          
Service Contract [Member] | Transferred over Time [Member]                  
Product Information [Line Items]                  
Revenue recognized over time $ 120                
Customer Deposit Liabilities [Member]                  
Product Information [Line Items]                  
Revenue 0 $ 0 $ 1 $ 3          
Revenue Benchmark [Member] | One Commercial Customer [Member]                  
Product Information [Line Items]                  
Concentration risk percentage     15.00%            
Revenue Benchmark [Member] | U.S. Government Agencies [Member]                  
Product Information [Line Items]                  
Concentration risk percentage     19.00%            
Revenue Benchmark [Member] | Major U.S Defense Contractor One [Member]                  
Product Information [Line Items]                  
Concentration risk percentage     14.00%            
Revenue Benchmark [Member] | Major U.S Defense Contractor Two [Member]                  
Product Information [Line Items]                  
Concentration risk percentage     14.00%            
Revenue Benchmark [Member] | Major U.S Defense Contractor Three [Member]                  
Product Information [Line Items]                  
Concentration risk percentage     11.00%            
Revenue Benchmark [Member] | Major U.S Defense Contractor Four [Member]                  
Product Information [Line Items]                  
Concentration risk percentage     10.00%            
Revenue Benchmark [Member] | Major U.S Defense Contractor Five [Member]                  
Product Information [Line Items]                  
Concentration risk percentage     8.00%            
Revenue Benchmark [Member] | Major U.S Defense Contractor Six [Member]                  
Product Information [Line Items]                  
Concentration risk percentage     6.00%            
Revenue Benchmark [Member] | All Other Customers [Member]                  
Product Information [Line Items]                  
Concentration risk percentage     3.00%            
November 1, 2021 [Member]                  
Product Information [Line Items]                  
Right-of-use asset 3,700   $ 3,700            
Lease liability $ 3,700   $ 3,700            
[1] Includes $62 thousand of unamortized deferred rent.
[2] Short-term and Long-term portion of Operating Lease Liability is $529 thousand and $3,254 thousand, respectively.