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Capital Stock - Additional Information (Detail) $ / shares in Units, $ in Millions | Mar. 27, 2021 Vote Class $ / shares | Dec. 09, 2020 USD ($) | Aug. 13, 2020 USD ($) | Mar. 28, 2020 $ / shares
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Class of Stock [Line Items] |  |  |  |
Preferred shares par value | $ / shares | $ 0 |  |  | $ 0
Number of classes of common stock outstanding | Class | 2 |  |  |
NYSE American [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Minimum networth required for compliance | $ |  | $ 2.0 | $ 4.0 |
Class A Common Stock [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Common stock voting rights per share | 1 |  |  |
Class B Common Stock [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Common stock voting rights per share | 10 |  |  |

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