SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual)	12 Months Ended
	Jul. 31, 2016
Hobson processing facility [Member]
Property, Plant and Equipment, Estimated Useful Lives	15
Mining and logging equipment and vehicles [Member] | Maximum [Member]
Property, Plant and Equipment, Estimated Useful Lives	10
Mining and logging equipment and vehicles [Member] | Minimum [Member]
Property, Plant and Equipment, Estimated Useful Lives	5
Computer Equipment [Member]
Property, Plant and Equipment, Estimated Useful Lives	3
Furniture and Fixtures [Member]
Property, Plant and Equipment, Estimated Useful Lives	5