Leases - Schedule of Total Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Leases [Abstract]
Operating lease cost	$ 146	$ 239	$ 291	$ 605
Short-term lease cost	359	641	985	1,183
Variable lease cost	51	(4)	29	44
Amortization of right-of-use assets	32	23	65	45
Interest on lease liabilities	4	1	7	3
Total finance lease cost	$ 36	$ 24	$ 72	$ 48