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Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 31, 2020 | Jul. 31, 2019 | Jul. 31, 2020 | Jul. 31, 2019
Statement of Comprehensive Income [Abstract] |  |  |  |
Net loss attributable to common shareholders | $ (7,163) | $ (3,636) | $ (14,364) | $ (6,521)
Change in cumulative translation adjustment for sale of foreign entity | 0 | 0 | 0 | (331)
Other changes in cumulative translation adjustment | 82 | (41) | (49) | (160)
Comprehensive loss | $ (7,081) | $ (3,677) | $ (14,413) | $ (7,012)

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