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Note 13 - Capital Stock - Continuity Schedule of Outstanding Share Purchase Warrants (Details) - $ / shares | 3 Months Ended
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Apr. 30, 2022 | Jan. 31, 2022 | Oct. 31, 2021
Balance, Number of Warrants (in shares) | 4,322,624 | 4,895,474 | 5,387,323
Balance, Weighted Average Exercise Price (in dollars per share) | $ 1.90 | $ 1.91 | $ 1.90
Exercised, Number of Warrants (in shares) | (339,845) | (572,850) | (491,849)
Exercised, Weighted Average Exercise Price (in dollars per share) | $ 1.80 | $ 1.99 | $ 1.85
Balance, Number of Warrants (in shares) | 3,982,779 | 4,322,624 | 4,895,474
Balance, Weighted Average Exercise Price (in dollars per share) | $ 1.91 | $ 1.90 | $ 1.91

X
- Definition Number of warrants or rights exercised during the period. + References No definition available. + Details
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Namespace Prefix: | uec_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average exercise price of share purchase warrants exercised. + References No definition available. + Details
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Namespace Prefix: | uec_
Data Type: | dtr-types:perShareItemType
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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644 + Details
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Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of warrants or rights outstanding. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant