Interest expense, net (Tables)

12 Months Ended

Jan. 31, 2013

Interest expense, net [Abstract]

Interest Income and Interest Expense Disclosure [Text Block]

Note 11 - Interest expense, net

	2012		2011
Interest expense	$2,327		$2,165
Interest income	(511	)	(728	)
Interest expense, net	$1,816		$1,437

Schedule of Other Nonoperating Income (Expense) [Table Text Block]

Interest expense, net

	2012		2011
Interest expense	$2,327		$2,165
Interest income	(511	)	(728	)
Interest expense, net	$1,816		$1,437

	2012		2011
Interest expense	$2,327		$2,165
Interest income	(511	)	(728	)
Interest expense, net	$1,816		$1,437