Interest expense, net

3 Months Ended

Apr. 30, 2016

Interest expense, net [Abstract]

Interest Income and Interest Expense Disclosure [Text Block]

Interest expense, net.

	Three Months Ended April 30,
	2016			2015
Interest expense		$253			$196
Interest income	(27		)	(275		)
Interest expense (income), net		$226			($79	)