Organization and Summary of Changes in Significant Accounting Policies - Summary of Geographic Location (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Organization And Summary Of Significant Accounting Policies [Line Items]
Total revenue	$ 6,802	$ 6,688
United States [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Total revenue	5,550	6,109
International [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Total revenue	$ 1,252	$ 579