Note 9 - Property, Plant and Equipment - Summary of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Jul. 31, 2024	Jul. 31, 2023
Cost	$ 28,498	$ 26,740
Accumulated Depreciation	(8,033)	(7,012)
Net Book Value	20,465	19,728
Plant and Processing Facilities [Member]
Cost	19,346	19,145
Accumulated Depreciation	(2,708)	(1,998)
Net Book Value	16,638	17,147
Mining Equipment [Member]
Cost	3,740	2,915
Accumulated Depreciation	(2,523)	(2,478)
Net Book Value	1,217	437
Logging Equipment and Vehicles [Member]
Cost	3,452	2,799
Accumulated Depreciation	(2,222)	(1,989)
Net Book Value	1,230	810
Computer Equipment [Member]
Cost	300	306
Accumulated Depreciation	(287)	(280)
Net Book Value	13	26
Furniture and Fixtures [Member]
Cost	243	198
Accumulated Depreciation	(190)	(180)
Net Book Value	53	18
Buildings [Member]
Cost	337	297
Accumulated Depreciation	(103)	(87)
Net Book Value	234	210
Land [Member]
Cost	1,080	1,080
Accumulated Depreciation	0	0
Net Book Value	$ 1,080	$ 1,080