Note 11 - Leases - Maturities of Lease Liabilities (Details) - USD ($) $ in Thousands	Oct. 31, 2022	Jan. 31, 2022
For the six months ended January 31, 2023, operating leases	$ 952
For the six months ended January 31, 2023, finance leases, finance leases	85
For the year ended January 31, 2024, operating leases	1,745
For the year ended January 31, 2024, finance leases	165
For the year ended January 31, 2025, operating leases	931
For the year ended January 31, 2025, finance leases	0
For the year ended January 31, 2026, operating leases	725
For the year ended January 31, 2026	0
For the year ended January 31, 2027, operating leases	725
For the year ended January 31, 2027, finance leases	0
For the year ended January 31, 2028, operating leases	689
For the year ended January 31, 2028, finance leases	0
Thereafter, operating leases	8,975
Thereafter, finance leases	0
Total lease payments, operating leases	14,742
Total lease payments, finance leases	250
Less: amount representing interest, operating leases	(7,247)
Less: amount representing interest, finance leases	(8)
Total lease liabilities, operating leases	7,495	$ 12,766
Total lease liabilities, finance leases	$ 242	$ 530