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Revenue and Deferred Revenue - Additional Information (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2024 USD ($)	Jul. 31, 2023	Jul. 31, 2024 USD ($) Customer Country Source	Jul. 31, 2023 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 | $	$ 3.0		$ 13.9
Ooma Business | Revenue | Product Concentration Risk
Disaggregation Of Revenue [Line Items]
Concentration risk, percentage	61.00%	57.00%	61.00%	56.00%
Ooma Residential | Revenue | Product Concentration Risk
Disaggregation Of Revenue [Line Items]
Concentration risk, percentage	36.00%	41.00%	37.00%	41.00%

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