Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Schedule of Future Minimum Rental Payment (Detail)

v3.8.0.1
Commitments and Contingencies - Schedule of Future Minimum Rental Payment (Detail)
$ in Thousands
Jan. 31, 2018
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
2019 $ 1,314
2020 910
2021 678
2022 432
2023 167
Minimum operating lease payments $ 3,501