Revenue and Deferred Revenue - Additional Information (Details) $ in Millions	3 Months Ended
Apr. 30, 2026 USD ($) Country Customer Source	Apr. 30, 2025 Country Customer
Disaggregation Of Revenue [Line Items]
Number of sources of revenue \| Source	2
Number of countries outside United States represented 10% or more of total revenue \| Country	0	0
Number of customers that individually exceeded 10% of revenue \| Customer	0	0
Deferred revenue recognized \| $	$ 11.9
Ooma Business \| Revenue \| Product Concentration Risk
Disaggregation Of Revenue [Line Items]
Concentration risk, percentage	70.00%	62.00%
Ooma Residential \| Revenue \| Product Concentration Risk
Disaggregation Of Revenue [Line Items]
Concentration risk, percentage	28.00%	35.00%

Number of countries outside that exceeded ten percentage of revenue.

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Number of customers that individually exceeded 10% of revenue.

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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 of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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