Fair Value Measurements - Summary of Changes in Level 3 Instruments (Details) - Level 3 - USD ($) $ in Thousands	12 Months Ended
Jan. 31, 2026	Jan. 31, 2025
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 9,651	$ 54,628
Mark-to-market adjustment	(1,450)	(14,951)
Repayment of interest		(904)
Repayment of principal		(29,122)
Settlement (conversion to common stock)	(6,207)
Ending balance	1,993	9,651
Convertible Note
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	0	46,953
Mark-to-market adjustment	0	(16,927)
Repayment of interest		(904)
Repayment of principal		(29,122)
Settlement (conversion to common stock)	0
Ending balance	0	0
Warrant Liabilities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	3,510	2,832
Mark-to-market adjustment	(1,517)	678
Repayment of interest		0
Repayment of principal		0
Ending balance	1,993	3,510
SAFEs
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	6,141	4,843
Mark-to-market adjustment	66	1,298
Repayment of interest		0
Repayment of principal		0
Settlement (conversion to common stock)	(6,207)
Ending balance	$ 0	$ 6,141

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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- Definition

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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- Definition

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Mark-To-Market Adjustment

+ References

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- Definition

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Repayment Of Interest

+ References

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- Definition

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Repayment Of Principal

+ References

No definition available.

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