Note 11 - Leases - Maturities of Lease Liabilities (Details) - USD ($) $ in Thousands	Jul. 31, 2024	Jan. 31, 2024
For the six months ending January 31, 2025	$ 1,012
For the six months ending January 31, 2025, finance leases	16
For the year ended January 31, 2026, operating leases	1,993
For the year ended January 31, 2026, finance leases	33
For the year ended January 31, 2027, operating leases	1,980
For the year ended January 31, 2027, finance leases	36
For the year ended January 31, 2028, operating leases	1,963
For the year ended January 31, 2028, finance leases	9
For the year ended January 31, 2029, operating leases	1,617
For the year ended January 31, 2029, finance leases	0
For the year ended January 31, 2030, operating leases	612
For the year ended January 31, 2030, finance leases	0
Thereafter, operating leases	6,982
Thereafter, finance leases	0
Total lease payments, operating leases	16,159
Total lease payments, finance leases	94
Less: amount representing interest, operating leases	(8,505)
Less: amount representing interest, finance leases	0
Total lease liabilities, operating leases	7,654	$ 7,184
Total lease liabilities, finance leases	$ 94	$ 113