Schedule of Reclamation Deposits (Details) (USD $)	12 Months Ended
	Jul. 31, 2014
Reclamation Deposits Schedule Of Reclamation Deposits 1	$ 3,689,666
Reclamation Deposits Schedule Of Reclamation Deposits 2	3,627,562
Reclamation Deposits Schedule Of Reclamation Deposits 3	1,957,476
Reclamation Deposits Schedule Of Reclamation Deposits 4	1,910,494
Reclamation Deposits Schedule Of Reclamation Deposits 5	0
Reclamation Deposits Schedule Of Reclamation Deposits 6	472,823
Reclamation Deposits Schedule Of Reclamation Deposits 7	15,000
Reclamation Deposits Schedule Of Reclamation Deposits 8	15,000
Reclamation Deposits Schedule Of Reclamation Deposits 9	815
Reclamation Deposits Schedule Of Reclamation Deposits 10	814
Reclamation Deposits Schedule Of Reclamation Deposits 11	5,662,957
Reclamation Deposits Schedule Of Reclamation Deposits 12	6,026,693
Reclamation Deposits Schedule Of Reclamation Deposits 13	15,672
Reclamation Deposits Schedule Of Reclamation Deposits 14	14,216
Reclamation Deposits Schedule Of Reclamation Deposits 15	5,678,629
Reclamation Deposits Schedule Of Reclamation Deposits 16	$ 6,040,909