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Contract assets.

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Contractual customer payment terms for goods or service.

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Number Of Major Customers

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Significant Accounting Policies [Line Items]

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Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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

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

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

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The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.

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Significant Accounting Policies - Additional Information (Detail)	3 Months Ended		12 Months Ended
	Oct. 31, 2023 USD ($)	Jul. 31, 2022 USD ($)	Jan. 31, 2023 USD ($) Customer Segment	Jan. 31, 2022 USD ($) Customer	Mar. 13, 2023 USD ($)	Mar. 10, 2023 USD ($)
Significant Accounting Policies [Line Items]
Number of Reportable Segments \| Segment			1
Goodwill impairment	$ 3,300,000	$ 5,800,000	$ 9,098,000	$ 0
Realized and unrealized foreign currency transaction loss			462,000	896,000
Foreign currency translation adjustment			(900,000)	(900,000)
Unrealized (losses) gains on available-for-sale marketable securities			(25,000)	1,000
Contract assets			0	0
Impairment costs			0	0
Deferred capitalized commission costs			162,000	297,000
Amortization expense			135,000	256,000
Other Income (Expense) [Member]
Significant Accounting Policies [Line Items]
Realized and unrealized foreign currency transaction loss			500,000	900,000
Maximum {Member]
Significant Accounting Policies [Line Items]
Unrealized (losses) gains on available-for-sale marketable securities			$ 100,000	$ 100,000
Contractual customer payment terms for goods or service.			1 year
Customer Concentration Risk [Member] \| Total Revenue [Member]
Significant Accounting Policies [Line Items]
Number of customers accounted \| Customer			2	1
Customer Concentration Risk [Member] \| Total Revenue [Member] \| Customer One
Significant Accounting Policies [Line Items]
Concentration risk percentage			19.00%	11.00%
Customer Concentration Risk [Member] \| Total Revenue [Member] \| Customer Two [Member]
Significant Accounting Policies [Line Items]
Concentration risk percentage			10.00%
Credit Concentration Risk [Member] \| Accounts Receivable, Net [Member]
Significant Accounting Policies [Line Items]
Number of customers accounted \| Customer			1	2
Credit Concentration Risk [Member] \| Accounts Receivable, Net [Member] \| Customer One
Significant Accounting Policies [Line Items]
Concentration risk percentage			21.00%	10.00%
Credit Concentration Risk [Member] \| Accounts Receivable, Net [Member] \| Customer Two [Member]
Significant Accounting Policies [Line Items]
Concentration risk percentage				10.00%
Silicon Valley Bank [Member] \| Subsequent Event [Member]
Significant Accounting Policies [Line Items]
Deposit in bank						$ 5,000,000.0
Bank deposit transferred to other financial institutions					$ 4,600,000