Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Apr. 30, 2018 |
Apr. 30, 2017 |
|
| Statement of Comprehensive Income [Abstract] | ||
| Net loss available to common shareholders | $ (6,290) | $ (2,859) |
| Change in cumulative translation adjustment | (238) | 29 |
| Comprehensive loss attributable to common shareholders | $ (6,528) | $ (2,830) |