Stockholders' Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Stockholders Equity Note Disclosure [Line Items]
Stock options granted	0
Number of shares of common stock issued under ESPP	100,000	100,000
ESPP
Stockholders Equity Note Disclosure [Line Items]
Weighted purchase price of shares of common stock under ESPP	$ 10.60	$ 10.22
Stock Options
Stockholders Equity Note Disclosure [Line Items]
Aggregate intrinsic value of vested options exercised	$ 0.2	$ 0.6
Weighted-average grant date fair value of options granted		$ 8.06