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Schedule of Non-cancellable Operating Leases Minimum Payments (Details) - USD ($) $ in Thousands | Sep. 28, 2025 | Sep. 29, 2024
--- | --- | ---
MinimumLeasePaymentsLineItems [Line Items] |  |  |  |
2026 Base year lease |  | $ 663 |  |
2027 Base year lease |  | 679 |  |
2028 Base year lease |  | 571 |  |
2029 Base year lease |  | 83 |  |
Total base lease payments |  | 1,996 |  |
Imputed interest on lease payments | [1] | (146) |  |
Total Operating Lease Liability | [2] | 1,850 |  |
Right-of-use Asset |  | 1,700 | [3] | $ 2,233
Optex Richardson [Member] |  |  |  |
MinimumLeasePaymentsLineItems [Line Items] |  |  |  |
2026 Base year lease |  | 346 |  |
2027 Base year lease |  | 357 |  |
2028 Base year lease |  | 241 |  |
2029 Base year lease |  |  |  |
Total base lease payments |  | 944 |  |
Imputed interest on lease payments | [1] | (62) |  |
Total Operating Lease Liability | [2] | 882 |  |
Right-of-use Asset | [3] | 806 |  |
Applied Optics Center [Member] |  |  |  |
MinimumLeasePaymentsLineItems [Line Items] |  |  |  |
2026 Base year lease |  | 313 |  |
2027 Base year lease |  | 322 |  |
2028 Base year lease |  | 330 |  |
2029 Base year lease |  | 83 |  |
Total base lease payments |  | 1,048 |  |
Imputed interest on lease payments | [1] | (84) |  |
Total Operating Lease Liability | [2] | 964 |  |
Right-of-use Asset | [3] | 890 |  |
Office Equipment Lease [Member] |  |  |  |
MinimumLeasePaymentsLineItems [Line Items] |  |  |  |
2026 Base year lease |  | 4 |  |
2027 Base year lease |  |  |  |
2028 Base year lease |  |  |  |
2029 Base year lease |  |  |  |
Total base lease payments |  | 4 |  |
Imputed interest on lease payments | [1] |  |  |
Total Operating Lease Liability | [2] | 4 |  |
Right-of-use Asset | [3] | 4 |  |
Common Area Maintenance Estimate [Member] |  |  |  |
MinimumLeasePaymentsLineItems [Line Items] |  |  |  |
2026 Base year lease |  | 293 |  |
2027 Base year lease |  | 298 |  |
2028 Base year lease |  | 213 |  |
2029 Base year lease |  | 30 |  |
Total base lease payments |  | $ 834 |  |
[1] | Assumes a discount borrowing rate of 5.0% on the new lease amendments effective as of January 11, 2021.
[2] | Short-term and Long-term portion of Operating Lease Liability is $645 thousand and $1,205 thousand, respectively.
[3] | Includes $150 thousand of unamortized deferred rent.

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