Debt (Long-term Debt) (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2024	Jan. 31, 2024	Apr. 30, 2023
Debt Instrument [Line Items]
Total debt	$ 7,016	$ 4,384	$ 34,685
Less current portion	250	248	20,362
Non-current portion	$ 6,766	4,136	14,323
Interest rate during period	10.50%
Revolving credit line
Debt Instrument [Line Items]
Total debt	$ 2,693	0	30,121
Other
Debt Instrument [Line Items]
Total debt	$ 4,323	$ 4,384	$ 4,564