Note 6 - Property, Plant and Equipment - Summary of Property, Plant and Equipment (Details) - USD ($)	Jan. 31, 2022	Jul. 31, 2021
Cost	$ 26,053,439	$ 12,810,757
Accumulated Depreciation	(5,766,761)	(5,452,720)
PROPERTY, PLANT AND EQUIPMENT	20,286,678	7,358,037
Net Book Value	20,286,678	7,358,037
Plant and Processing Facilities [Member]
Cost	18,622,945	6,642,835
Accumulated Depreciation	(1,034,024)	(851,075)
PROPERTY, PLANT AND EQUIPMENT	17,588,921	5,791,760
Net Book Value	17,588,921	5,791,760
Mining Equipment [Member]
Cost	2,807,651	2,355,341
Accumulated Depreciation	(2,361,006)	(2,313,489)
PROPERTY, PLANT AND EQUIPMENT	446,645	41,852
Net Book Value	446,645	41,852
Logging Equipment and Vehicles [Member]
Cost	2,705,582	1,923,983
Accumulated Depreciation	(1,825,440)	(1,774,887)
PROPERTY, PLANT AND EQUIPMENT	880,142	149,096
Net Book Value	880,142	149,096
Computer Equipment [Member]
Cost	348,929	326,056
Accumulated Depreciation	(304,553)	(283,645)
PROPERTY, PLANT AND EQUIPMENT	44,376	42,411
Net Book Value	44,376	42,411
Furniture and Fixtures [Member]
Cost	190,731	184,941
Accumulated Depreciation	(176,978)	(172,302)
PROPERTY, PLANT AND EQUIPMENT	13,753	12,639
Net Book Value	13,753	12,639
Buildings [Member]
Cost	297,518	297,518
Accumulated Depreciation	(64,760)	(57,322)
PROPERTY, PLANT AND EQUIPMENT	232,758	240,196
Net Book Value	232,758	240,196
Land [Member]
Cost	1,080,083	1,080,083
Accumulated Depreciation	0	0
PROPERTY, PLANT AND EQUIPMENT	1,080,083	1,080,083
Net Book Value	$ 1,080,083	$ 1,080,083