Significant Accounting Policies - Schedule of Warranty Liability, Included in Accrued Liabilities in Consolidated Balance Sheets and Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Schedule of warranty liability
Balance, beginning of year	$ 1,882	$ 2,114	$ 2,411
Provision charged to operations	1,864	1,794	1,885
Settlements made	(1,836)	(2,026)	(2,182)
Balance, end of year	$ 1,910	$ 1,882	$ 2,114