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401(k) and Pension Plans	12 Months Ended
401(k) and Pension Plans	Jan. 31, 2019
Retirement Benefits [Abstract]
401(k) and Pension Plans	401(k) and Pension Plans In March 2008, the Company initiated a 401(k) plan for the benefit of its employees. No employer contributions were made to the 401(k) plan by the Company during the fiscal years ended January 31, 2019, 2018, or 2017. In January 2018, the Company began contributing to a pension plan for the benefit of its employees based in the United Kingdom. Contributions to the plan by the Company were insignificant during the years ended January 31, 2019 and 2018.