Revenue and contract costs - Schedule of Deferred Contract Acquisition Costs (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 30, 2024	Apr. 30, 2023	Jan. 31, 2024
Capitalized Contract Cost [Roll Forward]
Beginning balance	$ 1,754
Amortization of deferred contract acquisition costs	(192)	$ (340)
Ending balance	1,562
Deferred contract acquisition costs, current (to be amortized in next 12 months)	768		$ 768
Deferred contract acquisition costs, non-current	794		986
Total deferred contract acquisition costs	$ 1,562		$ 1,754

Capitalized Contract Cost

No definition available.

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- Definition

Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 340
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479483/340-40-50-3

+ Details

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- Definition

Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 340
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479483/340-40-50-3

+ Details

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- Definition

Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as current.

+ References

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as noncurrent.

+ References

+ Details

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