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Income Taxes - Summary of Net Deferred Tax Assets Related to Continuing Operations (Detail) - USD ($) $ in Thousands | Mar. 26, 2022 | Mar. 27, 2021
--- | --- | ---
Deferred tax assets: |  |
Loss and tax credit carry forwards | $ 12,745 | $ 14,801
Difference between book and tax basis of property and equipment | 6,024 | 4,757
Operating lease right-of-use asset | 4,082 | 3,997
Other reserves not currently deductible | 212 | 1,187
Other | (403) | (177)
Net deferred tax asset before valuation allowance | 22,660 | 24,565
Valuation allowance | (22,660) | (24,565)
Net deferred tax asset | $ 0 | $ 0

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