v3.26.1
Lines of Credit - Narrative (Detail)
 3 Months Ended 12 Months Ended
May 03, 2026
USD ($)
Mar. 03, 2026
USD ($)
Nov. 06, 2025
USD ($)
Nov. 06, 2025
CNY (¥)
Aug. 03, 2025
CNY (¥)
Mar. 05, 2025
USD ($)
Aug. 02, 2026
USD ($)
May 03, 2026
USD ($)
Apr. 27, 2025
USD ($)
Apr. 28, 2024
USD ($)
Aug. 02, 2026
CNY (¥)
May 03, 2026
CNY (¥)
Mar. 17, 2026
USD ($)
Mar. 17, 2026
CNY (¥)
Mar. 03, 2026
CNY (¥)
Nov. 07, 2025
CNY (¥)
Nov. 04, 2025
USD ($)
Nov. 03, 2025
USD ($)
Mar. 05, 2025
CNY (¥)
Nov. 05, 2024
USD ($)
Nov. 05, 2024
CNY (¥)
Line Of Credit Facility [Line Items]                                          
Debt instrument, interest rate terms               The ABL Facility permits both base rate borrowings and borrowings that bear interest at annual rate equal to daily simple SOFR (the secured overnight financing rate administered by the Federal Reserve Bank of New York (or its successor)), in each case, plus an Applicable Margin equal to: (i) 75 basis points for base rate borrowings and 175 basis points for SOFR-based borrowings (if the average monthly excess availability under the ABL Facility is greater than 66 2/3%), (ii) 100 basis points for base rate borrowings and 200 basis points for SOFR-based borrowings (if the average monthly excess availability under the ABL Facility is less than or equal to 66 2/3% and greater than 33 1/3%), or (iii) 125 basis points for base rate borrowings and 225 basis points for SOFR-based borrowings (if the average monthly excess availability under the ABL Facility is less than or equal to 33 1/3%), as applicable, with a fee on unutilized commitments at an annual rate of 37.5 basis points (if usage is equal to or greater than 50% of the maximum credit available under the ABL Facility) or 50 basis points (if usage is less than 50% of the maximum credit available under the ABL Facility).                          
Outstanding amount, current $ 12,129,000             $ 12,129,000 $ 8,114,000                        
Outstanding balance paid               10,687,000 8,907,000 $ 4,146,000                      
Outstanding amount 7,000,000             7,000,000 4,600,000                        
Lines of credit [1] 19,129,000             19,129,000 $ 12,714,000                        
United States [Member] | Letters of Credit [Member] | Credit Agreement [Member]                                          
Line Of Credit Facility [Line Items]                                          
Line of credit, aggregate limit 3,000,000             3,000,000                          
China [Member] | China Construction Bank [Member]                                          
Line Of Credit Facility [Line Items]                                          
Maximum borrowing capacity $ 4,400,000             $ 4,400,000       ¥ 30,000,000                  
Lines of credit                         $ 1,400,000 ¥ 10,000,000              
China [Member] | Credit Agreement [Member] | China Construction Bank [Member]                                          
Line Of Credit Facility [Line Items]                                          
Applicable interest rate at end of period 2.30%             2.30%       2.30%                  
Outstanding amount, current $ 1,500,000             $ 1,500,000                          
China [Member] | Supplier Finance Arrangement [Member] | Agricultural Bank of China [Member]                                          
Line Of Credit Facility [Line Items]                                          
Applicable interest rate at end of period 2.42%             2.42% 2.72%     2.42%                  
Outstanding amount, current $ 1,900,000             $ 1,900,000 $ 2,800,000                        
China [Member] | Letters of Credit Not Supplier Financing Agreements [Member] | China Construction Bank [Member]                                          
Line Of Credit Facility [Line Items]                                          
Maximum borrowing capacity 1,500,000             1,500,000       ¥ 10,000,000                  
China [Member] | Working Capital Loans or Supplier Financing Agreements [Member] | China Construction Bank [Member]                                          
Line Of Credit Facility [Line Items]                                          
Maximum borrowing capacity $ 2,900,000             $ 2,900,000       ¥ 20,000,000                  
Revolving Credit Facility [Member] | United States [Member]                                          
Line Of Credit Facility [Line Items]                                          
Applicable interest rate at end of period 5.64%             5.64% 5.78%     5.64%                  
Letters of credit, outstanding amount $ 2,800,000             $ 2,800,000 $ 925,000                        
Revolving Credit Facility [Member] | United States [Member] | Third Amendment [Member]                                          
Line Of Credit Facility [Line Items]                                          
Expiration date               Jun. 12, 2028                          
Line of credit, extended maturity period               3 years                          
Revolving Credit Facility [Member] | United States [Member] | Fourth Amendment [Member]                                          
Line Of Credit Facility [Line Items]                                          
Maximum amount of letters of credit                                 $ 3,000,000        
Revolving Credit Facility [Member] | United States [Member] | Credit Agreement [Member]                                          
Line Of Credit Facility [Line Items]                                          
Maximum borrowing capacity 30,000,000             $ 30,000,000                          
Maximum borrowing capacity, increased upon mutual agreement $ 10,000,000             $ 10,000,000                          
Maximum amount of letters of credit                                   $ 2,000,000      
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 eligible in-transit inventory value $ 4,000,000             $ 4,000,000                          
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 stated amount to determine borrowing base $ 20,000,000             $ 20,000,000                          
Line of credit facility, equal to eligible accounts receivable, borrowing base percent 200.00%             200.00%       200.00%                  
Number of consecutive days in which if no event of default occurs, the compliance period ends 60 days             60 days                          
Line of credit facility, fixed charge ratio 1.1             1.1       1.1                  
Line of credit facility borrowing ability financial covenant $ 4,500,000             $ 4,500,000                          
Line of credit facility, available borrowing 14,500,000             $ 14,500,000                          
Revolving Credit Facility [Member] | United States [Member] | Credit Agreement [Member] | Usage of Credit Facility Equal or Greater than 50% of Maximum Credit Availability under ABL Facility [Member]                                          
Line Of Credit Facility [Line Items]                                          
Line of credit facility, commitment fee percentage               37.50%                          
Revolving Credit Facility [Member] | United States [Member] | Credit Agreement [Member] | Usage of Credit Facility Less than Fifty Percent of Maximum Credit Availability under ABL Facility [Member]                                          
Line Of Credit Facility [Line Items]                                          
Line of credit facility, commitment fee percentage               50.00%                          
Revolving Credit Facility [Member] | United States [Member] | Secured Overnight Financing Rate (SOFR) [Member] | Credit Agreement [Member] | Greater than 66 2/3%                                          
Line Of Credit Facility [Line Items]                                          
Debt instrument, basis spread on interest rate               175.00%                          
Revolving Credit Facility [Member] | United States [Member] | Secured Overnight Financing Rate (SOFR) [Member] | Credit Agreement [Member] | Less than or equal to 66 2/3% and greater than 33 1/3%                                          
Line Of Credit Facility [Line Items]                                          
Debt instrument, basis spread on interest rate               200.00%                          
Revolving Credit Facility [Member] | United States [Member] | Secured Overnight Financing Rate (SOFR) [Member] | Credit Agreement [Member] | Less than or equal to 33 1/3%                                          
Line Of Credit Facility [Line Items]                                          
Debt instrument, basis spread on interest rate               225.00%                          
Revolving Credit Facility [Member] | United States [Member] | Base Rate [Member] | Credit Agreement [Member] | Greater than 66 2/3%                                          
Line Of Credit Facility [Line Items]                                          
Debt instrument, basis spread on interest rate               75.00%                          
Revolving Credit Facility [Member] | United States [Member] | Base Rate [Member] | Credit Agreement [Member] | Less than or equal to 66 2/3% and greater than 33 1/3%                                          
Line Of Credit Facility [Line Items]                                          
Debt instrument, basis spread on interest rate               100.00%                          
Revolving Credit Facility [Member] | United States [Member] | Base Rate [Member] | Credit Agreement [Member] | Less than or equal to 33 1/3%                                          
Line Of Credit Facility [Line Items]                                          
Debt instrument, basis spread on interest rate               125.00%                          
Revolving Credit Facility [Member] | United States [Member] | Minimum [Member] | Credit Agreement [Member]                                          
Line Of Credit Facility [Line Items]                                          
Line of credit facility, excess borrowing ability 6,000,000             $ 6,000,000                          
Revolving Credit Facility [Member] | United States [Member] | Maximum [Member] | Credit Agreement [Member]                                          
Line Of Credit Facility [Line Items]                                          
Threshold amount to determine excess borrowing availability 30,000,000             30,000,000                          
Revolving Credit Facility [Member] | United States [Member] | Letters of Credit [Member]                                          
Line Of Credit Facility [Line Items]                                          
Remaining letters of credit $ 225,000             $ 225,000                          
Revolving Credit Facility [Member] | China [Member] | Agricultural Bank of China [Member]                                          
Line Of Credit Facility [Line Items]                                          
Applicable interest rate at end of period 2.60%             2.60%       2.60%                  
Lines of credit $ 0             $ 0 3,988,000                        
Line of Credit [Member]                                          
Line Of Credit Facility [Line Items]                                          
FY 2027 12,129             12,129                          
FY 2028 0             0                          
FY 2029 7,000             7,000                          
Interest paid during the year               $ 750,000 258,000 $ 11,000                      
Revolving credit agreements [Member] | China [Member] | Agricultural Bank of China [Member]                                          
Line Of Credit Facility [Line Items]                                          
Maximum borrowing capacity           $ 4,000,000                         ¥ 29,000,000    
Expiration date           Mar. 03, 2026                              
Interest rate description               Interest charged under this agreement was based on an applicable interest rate of 2.6%.                          
Outstanding amount, current $ 0             $ 0 4,000,000                        
Revolving credit agreements [Member] | China [Member] | Credit Agreement [Member] | Bank Of China [Member]                                          
Line Of Credit Facility [Line Items]                                          
Applicable interest rate at end of period 2.60%             2.60%       2.60%                  
Interest rate description               Interest charged under this agreement was 2.6%.                          
Letters of credit, outstanding amount $ 0             $ 0                          
Outstanding amount, current $ 1,500,000             $ 1,500,000 1,400,000                        
Revolving credit agreements [Member] | China [Member] | New Credit Agreement [Member] | Bank Of China [Member]                                          
Line Of Credit Facility [Line Items]                                          
Applicable interest rate at end of period 2.50%             2.50%       2.50%                  
Interest rate description               Interest is charged based on a fixed rate of 2.5%.                          
Working Capital Loan [Member] | China [Member] | Bank Of China [Member]                                          
Line Of Credit Facility [Line Items]                                          
Lines of credit $ 1,462,000             $ 1,462,000 $ 1,375,000                        
Working Capital Loan [Member] | China [Member] | Agricultural Bank of China [Member]                                          
Line Of Credit Facility [Line Items]                                          
Maximum borrowing capacity 3,100,000       ¥ 21,000,000     $ 3,100,000                          
Interest rate description               Interest charged under these agreements was based on rates determined by ABC (applicable interest rates ranged from 2.5% to 2.6% as of May 3, 2026).                          
Outstanding amount, current 3,100,000             $ 3,100,000                          
Working Capital Loan [Member] | China [Member] | Agricultural Bank of China [Member] | Forecast [Member]                                          
Line Of Credit Facility [Line Items]                                          
Maximum borrowing capacity             $ 3,100,000       ¥ 21,000,000                    
Applicable interest rate at end of period             2.30%       2.30%                    
Working Capital Loan [Member] | China [Member] | Credit Agreement [Member] | Bank Of China [Member]                                          
Line Of Credit Facility [Line Items]                                          
Maximum borrowing capacity                                       $ 1,400,000 ¥ 10,000,000
Expiration date     Nov. 06, 2025 Nov. 06, 2025                                  
Outstanding balance paid     $ 1,400,000 ¥ 10,000,000                                  
Working Capital Loan [Member] | China [Member] | New Credit Agreement [Member] | Bank Of China [Member]                                          
Line Of Credit Facility [Line Items]                                          
Maximum borrowing capacity $ 1,500,000             $ 1,500,000               ¥ 10,000,000          
Expiration date               Nov. 11, 2026                          
Working Capital Loan [Member] | China [Member] | Unsecured Additional Loan Agreement [Member] | Agricultural Bank of China [Member]                                          
Line Of Credit Facility [Line Items]                                          
Maximum borrowing capacity   $ 4,200,000                         ¥ 29,000,000            
Expiration date   Mar. 01, 2027                                      
Applicable interest rate at end of period 2.40%             2.40%       2.40%                  
Interest rate description   Interest charged under this agreement is based on an applicable interest rate of 2.4%.                                      
Outstanding amount, current $ 4,200,000             $ 4,200,000                          
Working Capital Loan [Member] | China [Member] | Minimum [Member] | Agricultural Bank of China [Member]                                          
Line Of Credit Facility [Line Items]                                          
Expiration date         May 07, 2026                                
Applicable interest rate at end of period 2.50%             2.50%       2.50%                  
Working Capital Loan [Member] | China [Member] | Minimum [Member] | Agricultural Bank of China [Member] | Forecast [Member]                                          
Line Of Credit Facility [Line Items]                                          
Expiration date             May 21, 2026                            
Working Capital Loan [Member] | China [Member] | Maximum [Member] | Agricultural Bank of China [Member]                                          
Line Of Credit Facility [Line Items]                                          
Expiration date         May 25, 2026                                
Applicable interest rate at end of period 2.60%             2.60%       2.60%                  
Working Capital Loan [Member] | China [Member] | Maximum [Member] | Agricultural Bank of China [Member] | Forecast [Member]                                          
Line Of Credit Facility [Line Items]                                          
Expiration date             May 26, 2026                            
Secured Line Of Credit By Trade Receivable [Member] | China [Member] | Credit Agreement [Member] | Bank Of China [Member]                                          
Line Of Credit Facility [Line Items]                                          
Maximum borrowing capacity                                       $ 3,500,000 ¥ 25,000,000
Secured Line Of Credit By Trade Receivable [Member] | China [Member] | New Credit Agreement [Member] | Bank Of China [Member]                                          
Line Of Credit Facility [Line Items]                                          
Maximum borrowing capacity $ 3,700,000             $ 3,700,000               ¥ 25,000,000          
[1] Of the total $19.1 million, $12.1 million and $7.0 million were recorded within lines of credit - current and line of credit - long-term, respectively, within the Consolidated Balance Sheet as of May 3, 2026. Of the total $12.7 million, $8.1 million and $4.6 million were recorded within lines of credit - current and line of credit - long-term, respectively, within the Consolidated Balance Sheet as of April 27, 2025.