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Capital Stock - Additional Information (Detail)
$ / shares in Units, $ in Thousands
 12 Months Ended
Mar. 26, 2022
USD ($)
Vote
Class
$ / shares
Mar. 27, 2021
USD ($)
$ / shares
Mar. 28, 2020
USD ($)
Feb. 06, 2022
USD ($)
Dec. 09, 2020
USD ($)
Aug. 13, 2020
USD ($)
Mar. 30, 2019
USD ($)
Class of Stock [Line Items]              
Preferred shares par value | $ / shares $ 0 $ 0          
Number of classes of common stock outstanding | Class 2            
Stockholders' Equity Attributable to Parent $ 5,864 $ (1,422) $ 3,410       $ 13,783
Revenues 181,342 $ 143,068 $ 169,420        
NYSE American [Member]              
Class of Stock [Line Items]              
Minimum networth required for compliance         $ 2,000 $ 4,000  
NYSE American [Member] | Company Guide [Member]              
Class of Stock [Line Items]              
Stockholders' Equity Attributable to Parent 5,900     $ 6,000      
Revenues 1,400            
NYSE American [Member] | Company Guide [Member] | United States of America, Dollars              
Class of Stock [Line Items]              
Stockholders' Equity Attributable to Parent 4,800            
Revenues $ 1,100            
Class A Common Stock [Member]              
Class of Stock [Line Items]              
Common stock voting rights per share | Vote 1            
Class B Common Stock [Member]              
Class of Stock [Line Items]              
Common stock voting rights per share | Vote 10