Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Schedule of Change in Carrying Amount of Goodwill (Detail)

v3.19.1
Goodwill and Intangible Assets - Schedule of Change in Carrying Amount of Goodwill (Detail)
$ in Thousands
3 Months Ended
Apr. 30, 2019
USD ($)
Goodwill And Intangible Assets [Line Items]  
Goodwill, beginning balance $ 8,753
Cumulative translation adjustment (162)
Goodwill, ending balance 9,812
Xstream A/S [Member]  
Goodwill And Intangible Assets [Line Items]  
Goodwill arising from the Xstream acquisition $ 1,221