Accrued Expenses - Schedule of Accrued Expenses (Detail) - USD ($) $ in Thousands	Oct. 31, 2018	Jan. 31, 2018
Payables And Accruals [Abstract]
Accrued commissions	$ 1,875	$ 3,565
Accrued bonus	3,174	3,068
Accrued vacation	3,252	2,608
Payroll tax payable	3,463	3,580
Accrued other compensation and benefits	2,751	4,233
Total accrued compensation and benefits	14,515	17,054	[1]
Accrued fees payable to salesforce.com	5,120	4,929
Accrued third-party professional services subcontractors' fees	1,309	1,614
Taxes payable	2,168	3,009
Other accrued expenses	3,494	3,600
Total accrued expenses and other current liabilities	$ 12,091	$ 13,152	[1]

[1] See note 1 of the notes to the condensed consolidated financial statements for a summary of adjustments.