Lease information Property under capital lease (Tables)

12 Months Ended

Jan. 31, 2018

Property under capital leases [Abstract]

Schedule of capital leased assets [Table Text Block]

Property under capitalized leases (in thousands)	2017	2016
Machinery and equipment	$1,729	$1,308
Transportation equipment	9	22
Subtotal	1,738	1,330
Less accumulated amortization	699	646
Total	$1,039	$684