Intangible Assets (Tables)
|6 Months Ended|
Jul. 31, 2021
|Intangible Assets [Abstract]|
|Schedule of Finite-lived and Infinite-lived Intangible Assets [Table Text Block]||
Intangible assets in the accompanying condensed consolidated balance sheets consisted of the following:
Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef