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Impairment of Long-Lived Assets - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Nov. 30, 2022
Aug. 31, 2022
Nov. 30, 2021
Impaired Long-Lived Assets Held and Used [Line Items]      
Impairment charge of long-lived assets $ 0 $ 312,000 $ 0
Long Lived Assets Held for Sale      
Impaired Long-Lived Assets Held and Used [Line Items]      
Fixed asset net book value 1,562,000    
Cleveland      
Impaired Long-Lived Assets Held and Used [Line Items]      
Net cash proceeds $ 3,298,000