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Note 11 - Asset Retirement Obligations - Undiscounted Amounts of Estimated Cash Flows for the Next Five Fiscal Years and Beyond (Details) | Apr. 30, 2022 USD ($)
--- | ---
Fiscal 2022 | $ 148,021
Fiscal 2023 | 434,262
Fiscal 2024 | 932,264
Fiscal 2025 | 1,472,226
Fiscal 2026 | 2,489,425
Remaining balance | 23,262,465
Undiscounted Amount of Estimated Cash Flows | $ 28,738,663

X
- Definition Amount of estimated cash flows associated with the asset retirement obligation. + References No definition available. + Details
Name: | uec_UndiscountedAmountOfEstimatedCashFlows
Namespace Prefix: | uec_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The estimated amounts and timing of cash flows and assumptions used for asset retirement obligation due after the fifth fiscal year following the latest fiscal year. + References No definition available. + Details
Name: | uec_UndiscountedAmountOfEstimatedCashFlowsDueAfterFifthYear
Namespace Prefix: | uec_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The estimated amounts and timing of cash flows and assumptions used for asset retirement obligation in the fifth fiscal year following the latest fiscal year. + References No definition available. + Details
Name: | uec_UndiscountedAmountOfEstimatedCashFlowsDueInFifthYear
Namespace Prefix: | uec_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The estimated amounts and timing of cash flows and assumptions used for asset retirement obligation due in the fourth fiscal year following the latest fiscal year. + References No definition available. + Details
Name: | uec_UndiscountedAmountOfEstimatedCashFlowsDueInFourthYear
Namespace Prefix: | uec_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The estimated amounts and timing of cash flows and assumptions used for asset retirement obligation due in next twelve months. + References No definition available. + Details
Name: | uec_UndiscountedAmountOfEstimatedCashFlowsDueInNextTwelveMonths
Namespace Prefix: | uec_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The estimated amounts and timing of cash flows and assumptions used for asset retirement obligation due in the second fiscal year following the latest fiscal year. + References No definition available. + Details
Name: | uec_UndiscountedAmountOfEstimatedCashFlowsDueInSecondYear
Namespace Prefix: | uec_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The estimated amounts and timing of cash flows and assumptions used for asset retirement obligation due in the third fiscal year following the latest fiscal year. + References No definition available. + Details
Name: | uec_UndiscountedAmountOfEstimatedCashFlowsDueInThirdYear
Namespace Prefix: | uec_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant