Condensed Consolidated Statements of Stockholders' Deficit - USD ($) $ in Thousands	Total	Class A Common Stock	Class B Common Stock	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive (Loss) Income	Accumulated Deficit
Beginning balance (shares) at Jan. 31, 2024				3,263,659	33,655,756
Beginning balance at Jan. 31, 2024	$ (153,546)			$ 3	$ 34	$ 1,252,200	$ (180)	$ (1,405,603)
Increase (Decrease) in Stockholders' Equity (Deficit) [Roll Forward]
Vesting of restricted stock units (shares)					1,111,795
Vesting of restricted stock units	1				$ 1
Issuance of common stock under employee stock purchase plan (shares)					143,206
Issuance of common stock under employee stock purchase plan	1,121					1,121
Stock-based compensation expense	15,196					15,196
Other comprehensive income (loss)	(246)						(246)
Net loss	(26,007)							(26,007)
Ending balance (shares) at Apr. 30, 2024				3,263,659	34,910,757
Ending balance at Apr. 30, 2024	(163,481)			$ 3	$ 35	1,268,517	(426)	(1,431,610)
Beginning balance (shares) at Jan. 31, 2024				3,263,659	33,655,756
Beginning balance at Jan. 31, 2024	(153,546)			$ 3	$ 34	1,252,200	(180)	(1,405,603)
Increase (Decrease) in Stockholders' Equity (Deficit) [Roll Forward]
Vesting of restricted stock units	1				$ 1
Net loss	(64,258)	$ (5,484)	$ (58,774)
Ending balance (shares) at Oct. 31, 2024				3,263,659	35,841,729
Ending balance at Oct. 31, 2024	(171,170)			$ 3	$ 36	1,298,596	56	(1,469,861)
Beginning balance (shares) at Apr. 30, 2024				3,263,659	34,910,757
Beginning balance at Apr. 30, 2024	(163,481)			$ 3	$ 35	1,268,517	(426)	(1,431,610)
Increase (Decrease) in Stockholders' Equity (Deficit) [Roll Forward]
Vesting of restricted stock units (shares)					486,654
Shares repurchased for tax withholdings on vesting of restricted stock (shares)					(30,204)
Shares repurchased for tax withholdings on vesting of restricted stock	(208)					(208)
Stock-based compensation expense	16,472					16,472
Other comprehensive income (loss)	346						346
Net loss	(19,490)							(19,490)
Ending balance (shares) at Jul. 31, 2024				3,263,659	35,367,207
Ending balance at Jul. 31, 2024	(166,361)			$ 3	$ 35	1,284,781	(80)	(1,451,100)
Increase (Decrease) in Stockholders' Equity (Deficit) [Roll Forward]
Vesting of restricted stock units (shares)					386,507
Shares repurchased for tax withholdings on vesting of restricted stock (shares)					(42,119)
Shares repurchased for tax withholdings on vesting of restricted stock	(296)					(296)
Issuance of common stock under employee stock purchase plan (shares)					130,134
Issuance of common stock under employee stock purchase plan	789					789
Stock-based compensation expense	13,322					13,322
Other comprehensive income (loss)	136						136
Net loss	(18,761)	$ (1,577)	$ (17,184)					(18,761)
Ending balance (shares) at Oct. 31, 2024				3,263,659	35,841,729
Ending balance at Oct. 31, 2024	(171,170)			$ 3	$ 36	1,298,596	56	(1,469,861)
Beginning balance (shares) at Jan. 31, 2025		3,263,659	36,190,448	3,263,659	36,190,448
Beginning balance at Jan. 31, 2025	(177,246)			$ 3	$ 36	1,310,922	(669)	(1,487,538)
Increase (Decrease) in Stockholders' Equity (Deficit) [Roll Forward]
Vesting of restricted stock units (shares)					696,803
Vesting of restricted stock units	1				$ 1
Shares repurchased for tax withholdings on vesting of restricted stock (shares)					(58,691)
Shares repurchased for tax withholdings on vesting of restricted stock	(486)					(486)
Issuance of common stock under employee stock purchase plan (shares)					112,108
Issuance of common stock under employee stock purchase plan	680					680
Stock-based compensation expense	15,042					15,042
Other comprehensive income (loss)	1,359						1,359
Net loss	(18,052)							(18,052)
Ending balance (shares) at Apr. 30, 2025				3,263,659	36,940,668
Ending balance at Apr. 30, 2025	(178,702)			$ 3	$ 37	1,326,158	690	(1,505,590)
Beginning balance (shares) at Jan. 31, 2025		3,263,659	36,190,448	3,263,659	36,190,448
Beginning balance at Jan. 31, 2025	(177,246)			$ 3	$ 36	1,310,922	(669)	(1,487,538)
Increase (Decrease) in Stockholders' Equity (Deficit) [Roll Forward]
Net loss	(51,372)	$ (4,128)	$ (47,244)
Ending balance (shares) at Oct. 31, 2025		3,263,659	38,534,833	3,263,659	38,534,833
Ending balance at Oct. 31, 2025	(191,932)			$ 3	$ 39	1,346,653	283	(1,538,910)
Beginning balance (shares) at Apr. 30, 2025				3,263,659	36,940,668
Beginning balance at Apr. 30, 2025	(178,702)			$ 3	$ 37	1,326,158	690	(1,505,590)
Increase (Decrease) in Stockholders' Equity (Deficit) [Roll Forward]
Vesting of restricted stock units (shares)					1,114,948
Vesting of restricted stock units	1				$ 1
Shares repurchased for tax withholdings on vesting of restricted stock (shares)					(88,147)
Shares repurchased for tax withholdings on vesting of restricted stock	(1,119)					(1,119)
Stock-based compensation expense	11,488					11,488
Other comprehensive income (loss)	(222)						(222)
Net loss	(22,932)							(22,932)
Ending balance (shares) at Jul. 31, 2025				3,263,659	37,967,469
Ending balance at Jul. 31, 2025	(191,486)			$ 3	$ 38	1,336,527	468	(1,528,522)
Increase (Decrease) in Stockholders' Equity (Deficit) [Roll Forward]
Vesting of restricted stock units (shares)					522,755
Vesting of restricted stock units	1				$ 1
Shares repurchased for tax withholdings on vesting of restricted stock (shares)					(61,968)
Shares repurchased for tax withholdings on vesting of restricted stock	(1,128)					(1,128)
Issuance of common stock under employee stock purchase plan (shares)					106,577
Issuance of common stock under employee stock purchase plan	653					653
Stock-based compensation expense	10,601					10,601
Other comprehensive income (loss)	(185)						(185)
Net loss	(10,388)	$ (818)	$ (9,570)					(10,388)
Ending balance (shares) at Oct. 31, 2025		3,263,659	38,534,833	3,263,659	38,534,833
Ending balance at Oct. 31, 2025	$ (191,932)			$ 3	$ 39	$ 1,346,653	$ 283	$ (1,538,910)