Summary of Significant Accounting Policies - Schedule of Estimated Useful Lives of Company's Assets (Details)	12 Months Ended
Jan. 31, 2020
Computer software
Property, Plant and Equipment [Line Items]
Estimated useful lives	2 years
Computer equipment \| Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives	2 years
Computer equipment \| Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years
Furniture and office equipment
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

No definition available.

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration