Accounts Payable, Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Apr. 30, 2026	Jan. 31, 2026
Payables and Accruals [Abstract]
Accounts payable	$ 5,005	$ 5,833
Accrued employee compensation	13,172	26,129
Accrued Publisher Network fees	3,306	2,701
Accrued professional services and associated costs	2,728	2,734
Accrued employee stock purchase plan withholdings liability	319	1,253
Other current liabilities	12,058	13,878
Total accounts payable, accrued expenses and other current liabilities	$ 36,588	$ 52,528