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Debt (Narrative) (Details) | 1 Months Ended | 8 Months Ended | 9 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 31, 2024 USD ($) | Aug. 31, 2017 USD ($) | Sep. 30, 2024 USD ($) | Oct. 31, 2024 USD ($) | Oct. 01, 2024 USD ($) | Aug. 31, 2024 USD ($) | Apr. 29, 2024 USD ($) | Apr. 28, 2024 USD ($) | Jan. 31, 2024 USD ($) | Oct. 31, 2023 USD ($)
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 4,199,000 |  |  | $ 4,199,000 |  |  |  |  | $ 4,384,000 | $ 8,191,000
Original Mortgage Note |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Face amount |  | $ 5,800,000 |  |  |  |  |  |  |  |
Interest rate | 4.00% |  |  | 4.00% |  |  |  |  |  |
Term |  | 20 years |  |  |  |  |  |  |  |
Long-term debt | $ 4,200,000 |  |  | $ 4,200,000 |  |  |  |  |  |
Amended and Restated Credit Agreement |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Increase in inventory sublimit under credit agreement |  |  |  |  |  | $ 35,000,000 |  |  |  |
Line of credit facility, period for reduced borrowings during fourth quarter of each fiscal year (consecutive days) |  |  |  | 30 days |  |  |  |  |  |
Amended and Restated Credit Agreement | In Effect May Through August 2024 |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Increase in assemble to ship inventory sublimit under credit agreement |  |  |  |  |  | 15,000,000 |  |  |  |
Amended and Restated Credit Agreement | January through July |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility, borrowing base limitation on inventory in excess of liquidation value of eligible inventory | $ 15,000,000.0 |  |  | $ 15,000,000.0 |  |  |  |  |  |
Amended and Restated Credit Agreement | Consecutive Four Fiscal Quarters Ending July 31, 2020 |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Minimum fixed charge coverage ratio | 1.20 |  |  | 1.20 |  |  |  |  |  |
Amended and Restated Credit Agreement | Inventory |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Revolving credit facility borrowing base limitation |  |  |  | 60.00% |  |  |  |  |  |
Amended and Restated Credit Agreement | Inventories |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Revolving credit facility borrowing base limitation |  |  |  | 85.00% |  |  |  |  |  |
Amended and Restated Credit Agreement | Maximum | Accounts receivable |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Revolving credit facility borrowing base limitation |  |  |  | 85.00% |  |  |  |  |  |
Equipment Loan | Amended and Restated Credit Agreement |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility, equipment financing | $ 2,000,000 |  |  | $ 2,000,000 |  |  |  |  |  |
PNC | Amended and Restated Credit Agreement |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Maximum dividend amount in fiscal year | 5,000,000.0 |  | $ 5,000,000 | 5,000,000.0 | $ 8,000,000 |  | $ 5,000,000.0 | $ 3,000,000.0 |  |
Line of credit facility, permitted acquisitions amount |  |  | $ 5,000,000 |  | $ 8,000,000 |  |  |  |  |
PNC | Revolving credit line |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Remaining borrowing capacity | $ 18,700,000 |  |  | $ 18,700,000 |  |  |  |  |  |
Unused portion fee rate | 0.25% |  | 0.375% |  |  |  |  |  |  |
Line of credit facility, facility fee rate |  |  | 0.25% |  | 0.375% |  |  |  |  |
PNC | Revolving credit line | Secured Overnight Financing Rate (SOFR) | January through July |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 3.00% |  |  |  |  |  |
PNC | Revolving credit line | Secured Overnight Financing Rate (SOFR) | August through December |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 2.50% |  |  |  |  |  |
PNC | Revolving credit line | Amended and Restated Credit Agreement |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 60,000,000.0 |  |  | $ 60,000,000.0 |  |  | $ 70,000,000 | $ 72,500,000 |  |
PNC | Revolving credit line | Amended and Restated Credit Agreement | June through August |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  |  |  | $ 70,000,000.0 |  |  |  |
PNC | Equipment Loan | Amended and Restated Credit Agreement |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 10,000,000.0 |  |  | $ 10,000,000.0 |  |  |  |  |  |

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