Note 16 - Segmented Information - Long-term Assets by Geographic Segments (Details) - USD ($) $ in Thousands	Apr. 30, 2023	Jul. 31, 2022
Mineral rights and properties	$ 559,451	$ 181,948
Property, Plant and Equipment	19,777	20,234
Restricted Cash	7,251	7,251
Equity-accounted investment	45,886	24,177
Investment in Equity Securities	38,361	14,834
Other non-current assets	3,141	3,612
Total Long-Term Assets	673,867	252,056
UNITED STATES
Mineral rights and properties	166,001	165,952
Property, Plant and Equipment	19,377	19,841
Restricted Cash	7,251	7,251
Equity-accounted investment	0	0
Investment in Equity Securities	0	0
Other non-current assets	3,014	3,093
Total Long-Term Assets	195,643	196,137
CANADA
Mineral rights and properties	378,436	982
Property, Plant and Equipment	36	26
Restricted Cash	0	0
Equity-accounted investment	45,886	24,177
Investment in Equity Securities	38,361	14,834
Other non-current assets	127	519
Total Long-Term Assets	462,846	40,538
PARAGUAY
Mineral rights and properties	15,014	15,014
Property, Plant and Equipment	364	367
Restricted Cash	0	0
Equity-accounted investment	0	0
Investment in Equity Securities	0	0
Other non-current assets	0	0
Total Long-Term Assets	$ 15,378	$ 15,381