RECLAMATION DEPOSITS (Detail Textual) - USD ($) $ in Millions	12 Months Ended
Jul. 31, 2016	Jul. 31, 2015
Pledged Assets Separately Reported, Securities Pledged as Collateral, at Fair Value		$ 5.6
Pledged Assets Separately Reported Securities Pledged For Other Debt Obligations At Fair Value Premium, Percentage		2.00%
Proceeds From Reclamation Deposits	$ 3.9
Securities Held as Collateral, at Fair Value	$ 1.7
Pledged Assets Separately Reported Securities Pledged For Other Debt Obligations At Fair Value, Percentage	30.00%	30.00%

Represent that percentage of premium on face value of pledged assets for other debt obligation .

No definition available.

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- Definition

Represent that percentage of on face value of pledged assets for other debt obligation..

+ References

No definition available.

+ Details

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- Definition

Represent that cash flow from proceeds from reclamation deposits.

+ References

No definition available.

+ Details

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- Definition

The sum of the fair values, as of the date of each statement of financial position presented, of securities that are restricted as collateral for the payment of related debt obligations, primarily secured borrowings and repurchase agreements, and that are reclassified and separately reported in the statement of financial position because the transferee has the right by contract or custom to sell or re-pledge them.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728

+ Details

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- Definition

The carrying amount (fair value) as of the balance sheet date of securities held that had been pledged by counterparties under financing and lending arrangements, pursuant to which the entity has the right by agreement or custom to sell or re-pledge such securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5086-111524

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