Note 10 - Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Jul. 31, 2022	Jan. 31, 2022
Property and Equipment - net	$ 24,385	$ 24,756
Finance lease liability long-term	9,271	9,327
Total finance lease liabilities	347	530
Operating Lease, Right-of-Use Asset	7,176	11,213
Operating lease liability short-term	1,316	1,496
Operating lease liability long-term	6,775	11,270
Total operating lease liabilities	8,091	12,766
Other Current Liabilities [Member]
Finance lease liability short-term	326	357
Operating lease liability short-term	1,316	1,496
Other Noncurrent Liabilities [Member]
Finance lease liability long-term	21	173
Operating lease liability long-term	6,775	11,270
Finance Leases Assets [Member]
Property and Equipment - gross	1,214	1,221
Accumulated depreciation and amortization	(613)	(490)
Property and Equipment - net	$ 601	$ 731