XML 51 R36.htm IDEA: XBRL DOCUMENT v3.7.0.1
Lease information Property under capital lease (Tables)
12 Months Ended
Jan. 31, 2017
Property under capital leases [Abstract]  
Schedule of capital leased assets [Table Text Block]
Property under capitalized leases
2016

2015

Machinery and equipment
$1,308
$1,747
Transportation equipment
22

22

Subtotal
1,330

1,769

Less accumulated amortization
646

726

Total
$684
$1,043