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Revenue Recognition - Summary of Revenues Disaggregated by Primary Product Type (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
Hardware [Member]      
Disaggregation of Revenue [Line Items]      
Total Revenue 34,111 48,959 53,207
Supplies [Member]      
Disaggregation of Revenue [Line Items]      
Total Revenue 71,772 71,838 71,178
Service and Other [Member]      
Disaggregation of Revenue [Line Items]      
Total Revenue $ 10,150 $ 12,649 $ 12,272