Note 4 - Acquisition of the Roughrider Project - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands		3 Months Ended
	Oct. 14, 2022	Oct. 31, 2022	Jan. 31, 2023	Jul. 31, 2022
UEC shares issued		$ 235,372
Mineral rights and properties			$ 562,850	$ 181,948
Total assets			733,315	354,247
Asset retirement obligations			18,392	17,276
Deferred tax liabilities			69,226	536
Total liabilities			$ 108,647	$ 27,338
Roughrider Acquisition [Member]
Cash	$ 80,000
UEC shares issued	64,101
Acquisition related costs	2,117
Total consideration	146,218
Mineral rights and properties	178,438
Total assets	178,438
Asset retirement obligations	445
Deferred tax liabilities	31,775
Total liabilities	32,220
Total net assets	$ 146,218