Basis of Presentation (Tables)
|3 Months Ended|
Apr. 30, 2017
|Accounting Policies [Abstract]|
|Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]||
Net loss per share was determined as follows:
Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.
Reference 1: http://www.xbrl.org/2003/role/presentationRef