Lease information Future minimum lease payments (Tables)

12 Months Ended

Jan. 31, 2013

Future minimum lease payments [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

	Operating Leases	Capital Leases
2013	$1,779	$756
2014	1,428	703
2015	1,286	686
2016	1,247	659
2017	1,197	140
Thereafter	2,712	—
Subtotal	9,649	2,944
Less Amount representing interest		360
Future minimum lease payments	$9,649	$2,584