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Note 3 - Inventories (Details Textual)		12 Months Ended
	Oct. 27, 2021 USD ($) lb	Jul. 31, 2021 USD ($) lb	Jul. 31, 2020 USD ($)
Increase (Decrease) in Inventories, Total | $		$ 28,960,818
Uranium Inventory [Member]
Increase in Purchase Obligations, Mass (Pound)		3,700,000
Inventory, Increase from Purchases, Mass (Pound)		1,000,000
Uranium Inventory [Member] | Subsequent Event [Member]
Increase in Purchase Obligations, Mass (Pound)	400,000
Inventory, Increase from Purchases, Mass (Pound)	200,000
Increase (Decrease) in Inventories, Purchase Obligation | $	$ 14,500,000
Increase (Decrease) in Inventories, Total | $	$ 6,980,000

X

- Definition

The increase (decrease) during the reporting period in the aggregate value of all purchase obligations of inventory.

+ References

No definition available.

+ Details

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Namespace Prefix:	uec_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of mass of increase in purchase obligations during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	uec_
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X

- Definition

The amount of mass of increase in inventory from purchases during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	uec_
Data Type:	dtr-types:massItemType
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X

- Definition

The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

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