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Revenue and Deferred Revenue - Additional Information (Details) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2025 USD ($)	Oct. 31, 2024	Oct. 31, 2025 USD ($) Source Country Customer	Oct. 31, 2024 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 | $	$ 1.8		$ 15.6
Ooma Business | Revenue | Product Concentration Risk
Disaggregation Of Revenue [Line Items]
Concentration risk, percentage	63.00%	62.00%	63.00%	61.00%
Ooma Residential | Revenue | Product Concentration Risk
Disaggregation Of Revenue [Line Items]
Concentration risk, percentage	35.00%	36.00%	35.00%	36.00%

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