PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($)	Jan. 31, 2018	Jul. 31, 2017
Property, Plant and Equipment [Line Items]
Cost	$ 12,894,518	$ 12,502,712
Accumulated Depreciation	(5,756,761)	(5,711,530)
Net Book Value	7,137,757	6,791,182
Hobson Processing Facility [Member]
Property, Plant and Equipment [Line Items]
Cost	6,819,088	6,819,088
Accumulated Depreciation	(774,684)	(773,933)
Net Book Value	6,044,404	6,045,155
Mining Equipment [Member]
Property, Plant and Equipment [Line Items]
Cost	2,438,681	2,438,681
Accumulated Depreciation	(2,399,198)	(2,378,737)
Net Book Value	39,483	59,944
Logging Equipment and Vehicles [Member]
Property, Plant and Equipment [Line Items]
Cost	1,971,742	1,971,742
Accumulated Depreciation	(1,837,945)	(1,825,389)
Net Book Value	133,797	146,353
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Cost	604,701	582,980
Accumulated Depreciation	(571,147)	(565,223)
Net Book Value	33,554	17,757
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Cost	170,701	170,701
Accumulated Depreciation	(168,531)	(168,248)
Net Book Value	2,170	2,453
Land and Buildings [Member]
Property, Plant and Equipment [Line Items]
Cost	889,605	519,520
Accumulated Depreciation	(5,256)	0
Net Book Value	$ 884,349	$ 519,520