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Revenue Recognition - Summary of Revenues Disaggregated by Primary Geographic Markets (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2021
Jan. 31, 2020
Jan. 31, 2019
Disaggregation of Revenue [Line Items]      
Total Revenue $ 116,033 $ 133,446 $ 136,657
United States [Member]      
Disaggregation of Revenue [Line Items]      
Total Revenue 70,911 83,671 83,668
Europe [Member]      
Disaggregation of Revenue [Line Items]      
Total Revenue 29,029 29,617 31,574
Canada [Member]      
Disaggregation of Revenue [Line Items]      
Total Revenue 5,574 5,719 6,692
Asia [Member]      
Disaggregation of Revenue [Line Items]      
Total Revenue 5,105 8,316 8,207
Central and South America [Member]      
Disaggregation of Revenue [Line Items]      
Total Revenue 3,950 4,145 4,147
Other [Member]      
Disaggregation of Revenue [Line Items]      
Total Revenue $ 1,464 $ 1,978 $ 2,369