Number of countries outside that exceeded ten percentage of revenue.

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- Definition

Number of customers that individually exceeded 10% of revenue.

+ References

No definition available.

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Number of sources of revenue.

+ References

No definition available.

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- Definition

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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- Definition

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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- Definition

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.

+ References

No definition available.

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- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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Revenue and Deferred Revenue - Additional Information (Details) $ in Millions	3 Months Ended		12 Months Ended
	Apr. 30, 2019 USD ($) Source Country Customer	Apr. 30, 2018 Country Customer	Jan. 31, 2019
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	$ 8.4
Revenue expected to be recognized from remaining performance obligations	$ 0.3
Accounts Receivable \| Customer Concentration Risk
Disaggregation Of Revenue [Line Items]
Concentration risk, percentage	15.00%		15.00%
Ooma Residential \| Revenue
Disaggregation Of Revenue [Line Items]
Concentration risk, percentage	64.00%	71.00%
Ooma Business \| Revenue
Disaggregation Of Revenue [Line Items]
Concentration risk, percentage	33.00%	26.00%