Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Apr. 30, 2026	Jan. 31, 2026
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	$ 3,503	$ 3,388
Less accumulated amortization	(1,974)	(1,830)
Intangible assets, net	1,529	1,558
Intellectual property excluding patents
Indefinite-lived Intangible Assets [Line Items]
Intellectual property excluding patents	2,553	2,438
Patents
Finite-Lived Intangible Assets [Line Items]
Patents	$ 950	$ 950