Product Warranty Liability - Activity in Product Warranty Liability (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Product Warranties Disclosures [Abstract]
Balance, beginning of the year	$ 1,072	$ 834	$ 730
Provision for Warranty Expense	1,181	2,077	2,174
Cost of Warranty Repairs	(1,542)	(1,839)	(2,070)
Balance, end of the year	$ 711	$ 1,072	$ 834