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Debt (Narrative) (Details) | 1 Months Ended | 8 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Oct. 31, 2024 | Aug. 31, 2017 USD ($) | Sep. 30, 2024 USD ($) | Jan. 31, 2025 USD ($) | Apr. 09, 2025 USD ($) | Oct. 01, 2024 USD ($) | Aug. 31, 2024 USD ($) | Jan. 31, 2024 USD ($)
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Long-Term Debt |  |  |  | $ 4,136,000 |  |  |  | $ 4,384,000
Long-Term Debt, Gross |  |  |  | 4,136,000 |  |  |  |
Mortgages |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Interest rate |  | 4.00% |  |  |  |  |  |
Face amount |  | $ 5,800,000 |  |  |  |  |  |
Term |  | 20 years |  |  |  |  |  |
Revolving credit facility |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Long-Term Debt |  |  |  | 0 |  |  |  | $ 0
Revolving credit facility | PNC |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Remaining borrowing capacity |  |  |  | $ 28,000,000.0 |  |  |  |
Fee on unused portion of revolving line of credit (percent) | 0.25% |  | 0.375% |  |  |  |  |
Line of Credit Facility, Facility Fee, Percentage |  |  | 0.25% |  |  | 0.375% |  |
Revolving credit facility | PNC | January through July |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 3.00% |  |  |  |
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] |  |  |  | Secured Overnight Financing Rate (SOFR) [Member] |  |  |  |
Revolving credit facility | PNC | August through December |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 2.50% |  |  |  |
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] |  |  |  | Secured Overnight Financing Rate (SOFR) [Member] |  |  |  |
Revolving credit facility | PNC | Subsequent Event |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Share Repurchase Program, Authorized, Amount |  |  |  |  | $ 7,500,000 |  |  |
Amended and Restated Credit Agreement |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Increase in inventory sublimit under credit agreement |  |  |  |  |  |  | $ 35,000,000 |
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 |  |  |  |
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% |  |  |  |
Amended and Restated Credit Agreement | PNC |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Maximum dividend amount in fiscal year |  |  | $ 5,000,000 | $ 8,000,000 |  | $ 8,000,000 |  |
Line of Credit Facility, Permitted Acquisitions Amount |  |  | $ 5,000,000 |  |  | $ 8,000,000 |  |
Amended and Restated Credit Agreement | Revolving credit facility | PNC |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Borrowing capacity |  |  |  | 60,000,000.0 |  |  |  |
Amended and Restated Credit Agreement | Revolving credit facility | PNC | June through August |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Borrowing capacity |  |  |  |  |  |  | $ 70,000,000.0 |
Amended and Restated Credit Agreement | Equipment loan |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Equipment loan |  |  |  | 2,000,000 |  |  |  |
Amended and Restated Credit Agreement | Equipment loan | PNC |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Borrowing capacity |  |  |  | $ 10,000,000.0 |  |  |  |
Amended and Restated Credit Agreement | Current Period |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Fixed charge coverage ratio |  |  |  | 1.20 |  |  |  |

X
- Definition Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481520/505-30-50-4 + Details
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