Note 8 - Leases - Supplemental Cash Flow Information (Details) $ in Thousands	6 Months Ended
	Jul. 31, 2019 USD ($)
Operating cash flows related to operating leases	$ (3,095)
Financing cash flows related to finance leases	(11)
Total cash flows related to lease liabilities	(3,106)
Leased assets obtained in exchange for new operating lease liabilities	7,696
Leased assets obtained in exchange for new finance lease liabilities	110
Total non-cash items	$ 7,806