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Basis of Presentation - Additional Information (Detail)
$ in Thousands
 12 Months Ended
Jul. 08, 2020
USD ($)
Mar. 27, 2021
USD ($)
Store
Mar. 28, 2020
USD ($)
Mar. 30, 2019
USD ($)
Organization And Description Of Business [Line Items]        
Line of credit facility covenant terms cash minimum   $ 8,500    
Net (loss) income from continuing operations   (5,838) $ (12,227) $ (18,305)
Net cash (used in) provided by operating activities from continuing operations   (1,723) (3,225) (4,340)
Net Income Loss   $ (5,838) $ (12,779) $ (18,686)
Percentage of e commerce network business temporarily closed due to government orders   55.00%    
Working capital ratio   1.03    
Canada Emergency Wage Subsidy Program [Member]        
Organization And Description Of Business [Line Items]        
Proceed from the issue of funding from financial relief program   $ 1,400    
Proceed from the issue of funding from rent subsidy   $ 500    
Maximum [Member]        
Organization And Description Of Business [Line Items]        
Number of stores | Store   29    
Minimum [Member]        
Organization And Description Of Business [Line Items]        
Number of stores | Store   16    
Term Loan From Investment Quebec [Member]        
Organization And Description Of Business [Line Items]        
Long term debt,face value $ 10,000      
Long term debt duration 6 years      
Long term debt stated interest rate 3.14%      
Long term debt number of instalments 60      
New Credit Facility [Member]        
Organization And Description Of Business [Line Items]        
Line of credit facility covenant terms cash minimum   $ 8,500    
Line of credit facility minimum excess availability   $ 8,500