Income Taxes (Tables)

3 Months Ended

Apr. 30, 2017

Income Tax Disclosure [Abstract]

Summary of Income Taxes

The following table provides details of income taxes for the periods indicated:

	Three Months Ended April 30,
	2017			2016
	(in thousands)
Income before income taxes	$	2,770		$	1,375
Provision (benefit) for income taxes		206		(408)
Effective tax rate	7.4		%	(29.7)		%