|3 Months Ended|
Apr. 30, 2017
|Royalty Agreements [Member]|
|Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block]||
The Company is committed to future minimum royalty payments as follows:
Tabular disclosure of the aggregate amount of payments due on known contractual obligations for the five years following the date of the latest balance sheet and the combined aggregate amount of maturities of known contractual obligations.
Reference 1: http://www.xbrl.org/2003/role/presentationRef