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Nature of Operations, Segment Reporting and Geographical Information - Summary of Selected Financial Information by Geographic Area (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Jan. 31, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue $ 117,480 $ 116,033 $ 133,446
Long-Lived Assets 30,641 33,513  
United States [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue 68,185 70,911 83,671
Long-Lived Assets 29,131 31,226  
Europe [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue 31,922 29,029 29,617
Long-Lived Assets 1,486 2,274  
Asia [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue 5,926 5,105 8,316
Long-Lived Assets 15    
Canada [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue 6,519 5,574 5,719
Long-Lived Assets 9 13  
Central and South America [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue 3,271 3,950 4,145
Other [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenue $ 1,657 $ 1,464 $ 1,978