Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Schedule of Intangible Assets (Detail)

v3.19.1
Goodwill and Intangible Assets - Schedule of Intangible Assets (Detail) - USD ($)
$ in Thousands
Apr. 30, 2019
Jan. 31, 2019
Finite-Lived Intangible Assets [Line Items]    
Finite-life intangible assets, Gross $ 3,585  
Accumulated Amortization 298  
Finite-life intangible assets, Net 3,287 $ 0
Acquired Customer Contracts [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-life intangible assets, Gross 2,233  
Accumulated Amortization 185  
Finite-life intangible assets, Net 2,048  
Acquired Existing Technology [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-life intangible assets, Gross 1,352  
Accumulated Amortization 113  
Finite-life intangible assets, Net $ 1,239