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Revenue and Deferred Revenue - Additional Information (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 31, 2022 USD ($) | Jul. 31, 2021 | Jul. 31, 2022 USD ($) Customer Source Country | Jul. 31, 2021 Customer Country
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 |  | $ 13.0 |
Ooma Business | Revenue | Product Concentration Risk |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Concentration risk, percentage | 50.00% | 48.00% | 50.00% | 47.00%
Ooma Residential | Revenue | Product Concentration Risk |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Concentration risk, percentage | 47.00% | 50.00% | 47.00% | 50.00%

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