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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 |  |

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