Leases - Narrative (Details) - USD ($)	3 Months Ended	6 Months Ended
	Apr. 30, 2024	Jul. 31, 2024	Jul. 31, 2023
Lessee, Lease, Description [Line Items]
Rent payments, first year		$ 566,000
Rent payments, second year		467,000
Rent payments, third year		500,000
Rent payments, fourth year		507,000
Recognition of lease ROU asset and ROU liability		873,000	$ 0
Write-off of lease ROU asset and ROU liability	$ (897,000)	$ 897,000	$ 0
Minimum
Lessee, Lease, Description [Line Items]
Operating lease, remaining lease term		3 months 29 days
Finance lease, remaining lease term		3 months 29 days
Maximum
Lessee, Lease, Description [Line Items]
Operating lease, remaining lease term		7 years 7 months 6 days
Finance lease, remaining lease term		7 years 7 months 6 days
Building | Farmingdale, New York
Lessee, Lease, Description [Line Items]
Lease term	5 years
Rent payments, first year	$ 16,700
Rent payments, second year	17,200
Rent payments, third year	17,700
Rent payments, fourth year	18,200
Rent payments, fifth year	$ 18,800