Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2018	Oct. 31, 2017
Statement of Comprehensive Income [Abstract]
Net loss attributable to common shareholders	$ (5,640)	$ (5,510)	$ (16,930)	$ (13,940)
Change in cumulative translation adjustment for sale of foreign entity	5,355	0	5,355	0
Other changes in cumulative translation adjustment	(284)	(254)	(663)	621
Comprehensive loss attributable to common shareholders	$ (569)	$ (5,764)	$ (12,238)	$ (13,319)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount of foreign currency translation gain (loss) in the disposal group, including discontinued operation, recognized in the statement of income as a result of the sale or complete or substantially complete liquidation of an investment in a foreign entity.

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-SubTopic 30
-Section 45
-Paragraph 20
-Subparagraph (d)
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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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