Income Taxes (Tables)

6 Months Ended

Jul. 31, 2017

Income Tax Disclosure [Abstract]

Summary of Income Taxes

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

	Three Months Ended July 31,						Six Months Ended July 31,
	2017			2016			2017			2016
	(in thousands)
Income before income taxes	$	5,529		$	9,433		$	8,299		$	10,808
Provision for income taxes		2,226		801				2,432		393
Effective tax rate	40.3		%	8.5		%	29.3		%	3.6		%