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Leases - ASC 842 Quantitative Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022
Leases [Abstract]
Operating lease cost	$ 1,278	$ 1,288	$ 3,828	$ 3,903
Short-term lease cost	119	113	307	289
Sublease income	(10)	(10)	(30)	(30)
Variable lease cost	252	16	673	547
Total lease cost	$ 1,639	$ 1,407	4,778	4,709
Cash paid for amounts included in the measurement of lease liabilities			4,345	4,306
Right-of-use assets obtained in exchange for new lease liabilities			$ 364	$ 469
Weighted-average remaining lease term (years)	1 year 6 months	2 years 4 months 24 days	1 year 6 months	2 years 4 months 24 days
Weighted-average discount rate	6.36%	6.34%	6.36%	6.34%

X

- Definition

Amount of increase in lease obligation from new lease.

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- Definition

Amount of lease cost recognized by lessee for lease contract.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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X

- Definition

Weighted average discount rate for operating lease calculated at point in time.

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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Cash payments to lessor's for use of assets under operating leases.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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Amount of sublease income excluding finance and operating lease expense.

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Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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