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Restructuring - Summary of Restructuring Cost by Type (Detail) - USD ($)
 3 Months Ended 12 Months Ended
Jan. 31, 2024
Jan. 31, 2024
Restructuring Cost and Reserve [Line Items]    
Restructuring Charges   $ 2,651,000
Change in Estimates $ 75,000 (75,000)
Restructuring Costs   2,576,000
Inventory Write-Off [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring Charges   1,991,000
Restructuring Costs   1,991,000
Severance and Employee Related Costs [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring Charges   611,000
Change in Estimates   (75,000)
Restructuring Costs   536,000
Facility Exit and Other Restructuring Costs [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring Charges   49,000
Restructuring Costs   $ 49,000