Leases - ASC 842 Minimum Lease Payments (Details)	Jul. 23, 2024 USD ($) ft²	Jul. 31, 2024 USD ($)	Jan. 31, 2024 USD ($)	Jul. 31, 2023 USD ($)
Lessee, Lease, Description [Line Items]
Remaining of 2025		$ 3,232,000
2026		5,119,000
2027		9,416,000
2028		9,263,000
2029		9,587,000
Thereafter		16,739,000
Remaining balance of lease payments		53,356,000
Short-term lease liabilities		1,431,000	$ 5,744,000	$ 5,386,000
Long-term lease liabilities		37,204,000	1,829,000	4,317,000
Total lease liabilities		38,635,000
Difference between undiscounted cash flows and discounted cash flows		14,721,000
Operating lease right-of-use assets		37,988,000	$ 6,508,000	$ 8,285,000
Office, Manufacturing and Warehouse Facility
Lessee, Lease, Description [Line Items]
Total lease liabilities		33,000,000
Area of lease | ft²	560,000
Lessee, operating lease, term of contract	65 months
Lessee, operating lease, rent abatement period	5 months
Lessee, operating lease, tenant improvement allowance	$ 1,700,000
Operating lease right-of-use assets		$ 33,000,000
October 1, 2025 Through April 30, 2026 | Office, Manufacturing and Warehouse Facility
Lessee, Lease, Description [Line Items]
Lessee, operating lease, base rent	$ 726,700
After April 30, 2026 | Office, Manufacturing and Warehouse Facility
Lessee, Lease, Description [Line Items]
Lessee, operating lease, base rent annual increase	3.50%