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Income Taxes - Summary of Valuation Allowance by Jurisdiction (Details) $ in Thousands	12 Months Ended
	Apr. 30, 2022 USD ($)
Deferred Tax Asset Valuation Allowance [Roll Forward]
Beginning of the period	$ 3,495
Change	22
End of the period	3,517
U.S. Federal
Deferred Tax Asset Valuation Allowance [Roll Forward]
Beginning of the period	1,391
Change	69
End of the period	1,460
U.S. State
Deferred Tax Asset Valuation Allowance [Roll Forward]
Beginning of the period	2,087
Change	(180)
End of the period	1,907
Foreign
Deferred Tax Asset Valuation Allowance [Roll Forward]
Beginning of the period	17
Change	133
End of the period	$ 150

X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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Balance Type:	na
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X

- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319

+ Details

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X

- Definition

Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319

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