Lines of Credit - Narrative (Detail)					9 Months Ended
Lines of Credit - Narrative (Detail)	Nov. 06, 2025	Jan. 26, 2025 USD ($)	Nov. 05, 2024 CNY (¥)	Mar. 20, 2024 CNY (¥)	Jan. 26, 2025 USD ($)	Jan. 28, 2024 USD ($)	Mar. 07, 2025 USD ($)	Jan. 26, 2025 CNY (¥)	Apr. 28, 2024 USD ($)
Revolving Credit Facility [Member] \| United States [Member]
Line Of Credit Facility [Line Items]
Applicable interest rate at end of period		5.80%			5.80%	6.81%		5.80%	6.81%
Letters of credit, outstanding amount		$ 925,000			$ 925,000	$ 535,000			$ 535,000
Line of credit facility, available borrowing		23,200,000			23,200,000
Outstanding amount		0			0	0			$ 0
Interest paid during the year					16,000	$ 0
Revolving Credit Facility [Member] \| United States [Member] \| ABL Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity		35,000,000.0			$ 35,000,000.0
Expiration date					Jan. 19, 2026
Maximum amount of letters of credit		$ 1,000,000			$ 1,000,000
Line of credit facility, accounts receivable, borrowing base percentage		85.00%			85.00%			85.00%
Line of credit facility, borrowing base percentage of eligible inventory value		65.00%			65.00%			65.00%
Line of credit facility, borrowing base percentage of net-orderly-liquidation value of eligible inventory value		85.00%			85.00%			85.00%
Line of credit facility, borrowing base percentage of eligible in-transit inventory value		65.00%			65.00%			65.00%
Line of credit facility, borrowing base percentage of net-orderly-liquidation value of eligible in-transit inventory value		85.00%			85.00%			85.00%
Line of credit facility, borrowing base percentage of eligible raw material inventory value		65.00%			65.00%			65.00%
Line of credit facility, borrowing base percentage of net-orderly-liquidation value of eligible raw material inventory value		85.00%			85.00%			85.00%
Line of credit facility, borrowing base eligible in-transit inventory value		$ 5,000,000			$ 5,000,000
Line of credit stated amount to determine borrowing base		$ 22,500,000			$ 22,500,000
Debt instrument, interest rate terms					The ABL Facility permits both base rate borrowings and borrowings based upon daily simple SOFR (the secured overnight financing rate administered by the Federal Reserve Bank of New York (or its successor)). Borrowings under the ABL Facility bear interest at an annual rate equal to daily simple SOFR plus 150 basis points (if the average monthly excess availability under the ABL Facility is greater than 50%) or 175 basis points (if the average monthly excess availability under the ABL Facility is less than or equal to 50%) or 50 basis points above base rate (if the average monthly excess availability under the ABL Facility is greater than 50%) or 75 basis points above base rate (if the average monthly excess availability under the ABL Facility is less than or equal to 50%), as applicable, with a fee on unutilized commitments at an annual rate of 37.5 basis points and an annual servicing fee of $12,000.
Annual servicing fee					$ 12,000
Line of credit facility, equal to eligible accounts receivable, borrowing base percent		200.00%			200.00%			200.00%
Threshold amount to determine excess borrowing availability		$ 35,000,000			$ 35,000,000
Number of consecutive days in which if no event of default occurs, the compliance period ends		60 days
Line of credit facility, fixed charge ratio		1.1			1.1			1.1
Line of credit facility, commitment fee percentage					37.50%
Revolving Credit Facility [Member] \| United States [Member] \| Letters of Credit [Member]
Line Of Credit Facility [Line Items]
Remaining letters of credit		$ 75,000			$ 75,000
Revolving Credit Facility [Member] \| United States [Member] \| Subsequent Event [Member]
Line Of Credit Facility [Line Items]
Outstanding amount							$ 6,000,000
Revolving Credit Facility [Member] \| China [Member]
Line Of Credit Facility [Line Items]
Applicable interest rate at end of period				2.95%
Revolving Credit Facility [Member] \| Minimum [Member] \| United States [Member] \| ABL Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Line of credit facility, excess borrowing ability		7,000,000			7,000,000
Line of credit facility, covenant, excess borrowing availability		5,250,000			$ 5,250,000
Revolving Credit Facility [Member] \| Minimum [Member] \| United States [Member] \| Base Rate [Member] \| ABL Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Debt instrument, basis spread on interest rate					50.00%
Revolving Credit Facility [Member] \| Minimum [Member] \| United States [Member] \| Secured Overnight Financing Rate (SOFR) [Member] \| ABL Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Debt instrument, basis spread on interest rate					150.00%
Revolving Credit Facility [Member] \| Maximum [Member] \| United States [Member] \| ABL Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Line of credit facility minimum excess borrowing ability cash dominion period		7,000,000			$ 7,000,000
Line of credit facility, minimum excess borrowing ability compliance period		5,250,000			$ 5,250,000
Revolving Credit Facility [Member] \| Maximum [Member] \| United States [Member] \| Base Rate [Member] \| ABL Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Debt instrument, basis spread on interest rate					75.00%
Revolving Credit Facility [Member] \| Maximum [Member] \| United States [Member] \| Secured Overnight Financing Rate (SOFR) [Member] \| ABL Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Debt instrument, basis spread on interest rate					175.00%
Revolving credit agreements [Member] \| China [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity		4,000,000		¥ 29,000,000	$ 4,000,000
Outstanding amount		4,000,000			4,000,000			¥ 29,000,000
Revolving credit agreements [Member] \| China [Member] \| Credit Agreement Expires March 7, 2025 [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity \| ¥				¥ 9,600,000
Expiration date				Mar. 07, 2025
Revolving credit agreements [Member] \| China [Member] \| Credit Agreement Expires March 8, 2025 [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity \| ¥				¥ 9,700,000
Expiration date				Mar. 08, 2025
Revolving credit agreements [Member] \| China [Member] \| Credit Agreement Expires March 9, 2025 [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity \| ¥				¥ 9,700,000
Expiration date				Mar. 09, 2025
Revolving credit agreements [Member] \| China [Member] \| Base Rate [Member]
Line Of Credit Facility [Line Items]
Debt instrument, basis spread on interest rate				50.00%
Bank Of China [Member] \| China [Member] \| Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Letters of credit, outstanding amount		0			0
Bank Of China [Member] \| China [Member] \| Letters of Credit [Member] \| Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Expiration date			Jul. 31, 2025
Bank Of China [Member] \| Secured Line Of Credit By Trade Receivable [Member] \| China [Member] \| Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity		$ 3,500,000	¥ 25,000,000		$ 3,500,000
Bank Of China [Member] \| Revolving credit agreements [Member] \| China [Member]
Line Of Credit Facility [Line Items]
Interest rate description				Interest charged under this agreement is based on the Loan Prime Rate ("LPR") in China minus 50 basis points at the time of borrowing, which represents 2.95%.
Bank Of China [Member] \| Revolving credit agreements [Member] \| China [Member] \| Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Applicable interest rate at end of period		2.60%			2.60%			2.60%
Interest rate description		Interest is charged under the Agreement based on the LPR in China minus 50 basis points at the time of borrowing which represents 2.60%.
Bank Of China [Member] \| Revolving credit agreements [Member] \| China [Member] \| Credit Agreement [Member] \| Base Rate [Member]
Line Of Credit Facility [Line Items]
Debt instrument, basis spread on interest rate			50.00%
Bank Of China [Member] \| Working Capital Loan [Member] \| China [Member] \| Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity		$ 1,400,000	¥ 10,000,000		$ 1,400,000
Expiration date	Nov. 06, 2025
Line of credit		$ 1,400,000			$ 1,400,000			¥ 10,000,000

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