Note 8 - Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Details) $ in Thousands	3 Months Ended
Apr. 30, 2018 USD ($)
Balance	$ 105,628
Balance	125,309
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance	(6,828)
Other comprehensive income before reclassifications	(510)
Amounts reclassified from accumulated other comprehensive loss
Net current period other comprehensive loss	(510)
Balance	$ (7,338)

Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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