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