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Intangible Assets (Tables)
 3 Months Ended
Apr. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Finite-lived Intangible Assets
Intangible assets consisted of the following (in thousands):
As of January 31,As of April 30,
20252025
Intellectual property excluding patents
$2,437$2,438
Patents
950950
3,3873,388
Less accumulated amortization
(1,262)(1,404)
$2,125$1,984
Schedule of Indefinite-Lived Intangible Assets
Intangible assets consisted of the following (in thousands):
As of January 31,As of April 30,
20252025
Intellectual property excluding patents
$2,437$2,438
Patents
950950
3,3873,388
Less accumulated amortization
(1,262)(1,404)
$2,125$1,984