Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Schedule of Non-cancellable Operating Leases Minimum Payments (Details)

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Commitments and Contingencies - Schedule of Non-cancellable Operating Leases Minimum Payments (Details) - USD ($)
Mar. 28, 2021
Sep. 27, 2020
Sep. 27, 2019
2021 Base year lease $ 241,000    
2022 Base year lease 547,000    
2023 Base year lease 605,000    
2024 Base year lease 623,000    
2025 Base year lease 641,000    
2026 Base year lease 659,000    
2027 Base year lease 679,000    
2028 Base year lease 571,000    
2029 Base year lease 83,000    
Total base lease payments 4,649,000    
Imputed interest on lease payments [1] (798,000)    
Total Operating Lease Liability 3,851,000 [2] $ 1,336,000 [2] $ 1,900,000
Right-of-use Asset 3,842,000 [3] $ 1,416,000 $ 1,800,000
Office Equipment [Member]      
2021 Base year lease 9,000    
2022 Base year lease 5,000    
Total base lease payments 14,000    
Imputed interest on lease payments [1] (1,000)    
Total Operating Lease Liability [2] 13,000    
Right-of-use Asset [3] 13,000    
Common Area Maintenance Estimate [Member]      
2021 Base year lease 116,000    
2022 Base year lease 237,000    
2023 Base year lease 242,000    
2024 Base year lease 247,000    
2025 Base year lease 252,000    
2026 Base year lease 257,000    
2027 Base year lease 262,000    
2028 Base year lease 188,000    
2029 Base year lease 27,000    
Total base lease payments 1,828,000    
Optex Systems (OPX) - Richardson, Texas [Member]      
2021 Base year lease 101,000    
2022 Base year lease 308,000    
2023 Base year lease 317,000    
2024 Base year lease 327,000    
2025 Base year lease 336,000    
2026 Base year lease 346,000    
2027 Base year lease 357,000    
2028 Base year lease 241,000    
2029 Base year lease    
Total base lease payments 2,333,000    
Imputed interest on lease payments [1] (387,000)    
Total Operating Lease Liability [2] 1,946,000    
Right-of-use Asset [3] 1,946,000    
Applied Optics Center (AOC) - Dallas [Member]      
2021 Base year lease 131,000    
2022 Base year lease 234,000    
2023 Base year lease 288,000    
2024 Base year lease 296,000    
2025 Base year lease 305,000    
2026 Base year lease 313,000    
2027 Base year lease 322,000    
2028 Base year lease 330,000    
2029 Base year lease 83,000    
Total base lease payments 2,302,000    
Imputed interest on lease payments [1] (410,000)    
Total Operating Lease Liability [2] 1,892,000    
Right-of-use Asset [3] $ 1,892,000    
[1] Assumes a discount borrowing rate of 5.0% on the new lease amendments effective as of January 11, 2021 and 7.5% on the remaining lease term for the Applied Optics Dallas facility through October 31, 2021.
[2] Short-term and Long-term portion of Operating Lease Liability is $477 thousand and $3,374 thousand, respectively.
[3] Includes $9 thousand of unamortized deferred rent for the Applied Optics Lease term expiring on October 31, 2021.