Note 10 - Leases (Details Textual) - USD ($)	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022
Lease, Cost, Total	$ 858,000	$ 1,200,000
Short-Term Lease, Cost	$ 6,000	$ 36,000
Maximum [Member]
Lessor, Operating Lease, Term of Contract (Year)	1 year