Note 9 - Leases - Supplemental Cash Flow Information (Details) $ in Thousands	12 Months Ended
	Jan. 31, 2020 USD ($)
Operating cash flows related to operating leases	$ (6,077)
Financing cash flows related to finance leases	(47)
Total cash flows related to lease liabilities	(6,124)
Leased assets obtained in exchange for new operating lease liabilities	10,419
Leased assets obtained in exchange for new finance lease liabilities	222
Total non-cash items	$ 10,641