Represent the bonus for employee’s directors, officers during the reporting period.

No definition available.

Name:	uec_EmployeesDirectorsOfficersBonus
Namespace Prefix:	uec_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The balance represents the amount of share issuance obligation.

+ References

No definition available.

+ Details

Name:	uec_ShareIssuanceObligationamount
Namespace Prefix:	uec_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The balance represents the number of share issuance obligation.

+ References

No definition available.

+ Details

Name:	uec_ShareIssuanceObligationshares
Namespace Prefix:	uec_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	uec_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingContractualTerm
Namespace Prefix:	uec_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

SUBSEQUENT EVENT (Details Textual) - USD ($)		12 Months Ended
SUBSEQUENT EVENT (Details Textual) - USD ($)	Oct. 10, 2017	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2015
Subsequent Event [Line Items]
Share Issuance Obligation, Shares		398,839
Share Issuance Obligation, Amount		$ 638,142	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		672,500	3,033,000	7,640,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Contractual Term		5 years	5 years	5 years
Subsequent Event [Member]
Subsequent Event [Line Items]
Employees Directors Officers Bonus	$ 393,800
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	1,854,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	$ 1.28
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	24 months
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Contractual Term	5 years