Schedule of Reclamation Deposits (Details) (USD $)	3 Months Ended
	Oct. 31, 2014
Reclamation Deposits Schedule Of Reclamation Deposits 1	$ 3,689,666
Reclamation Deposits Schedule Of Reclamation Deposits 2	3,689,666
Reclamation Deposits Schedule Of Reclamation Deposits 3	1,957,476
Reclamation Deposits Schedule Of Reclamation Deposits 4	1,957,476
Reclamation Deposits Schedule Of Reclamation Deposits 5	15,000
Reclamation Deposits Schedule Of Reclamation Deposits 6	15,000
Reclamation Deposits Schedule Of Reclamation Deposits 7	816
Reclamation Deposits Schedule Of Reclamation Deposits 8	815
Reclamation Deposits Schedule Of Reclamation Deposits 9	5,662,958
Reclamation Deposits Schedule Of Reclamation Deposits 10	5,662,957
Reclamation Deposits Schedule Of Reclamation Deposits 11	16,016
Reclamation Deposits Schedule Of Reclamation Deposits 12	15,672
Reclamation Deposits Schedule Of Reclamation Deposits 13	5,678,974
Reclamation Deposits Schedule Of Reclamation Deposits 14	$ 5,678,629