Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheet Detail - Property and Equipment, Net (Detail)

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Consolidated Balance Sheet Detail - Property and Equipment, Net (Detail) - USD ($)
$ in Thousands
Jan. 31, 2023
Jan. 31, 2022
Property Plant And Equipment [Line Items]    
Property and Equipment, Gross $ 4,125 $ 4,095
Less: Accumulated depreciation and amortization (3,412) (3,193)
Total property and equipment, net 713 902
Computer Equipment, Software and Demonstration Equipment [Member]    
Property Plant And Equipment [Line Items]    
Property and Equipment, Gross 3,737 3,689
Office Furniture and Equipment [Member]    
Property Plant And Equipment [Line Items]    
Property and Equipment, Gross 251 263
Leasehold Improvements [Member]    
Property Plant And Equipment [Line Items]    
Property and Equipment, Gross $ 137 $ 143