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Organization and Significant Accounting Policies - Contract Estimates (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Oct. 31, 2020 USD ($) contract	Oct. 31, 2020 USD ($) contract
Organization and Significant Accounting Policies
Material adjustment to any one contract	$ 0	$ 0
Amount of aggregate impact of adjustments in contract estimates on revenue related to performance obligations satisfied or partially satisfied in previous periods	$ 1,118	$ 976
Number of active contracts | contract	1	1

X

- Definition

Refers to any one adjustment that was material to the contract.

+ References

No definition available.

+ Details

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- Definition

Represents number of active contracts.

+ References

No definition available.

+ Details

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X

- Definition

Refers to aggregate impact of adjustments in contract estimates on revenue related to performance obligations satisfied or partially satisfied in previous periods.

+ References

No definition available.

+ Details

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- References

No definition available.

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