OTHER LONG-TERM ASSET AND LIABILITY (Details Textual) - USD ($)	9 Months Ended
	Apr. 30, 2016	Mar. 04, 2016	Jul. 31, 2015
Equity Method Investment, Ownership Percentage		100.00%
Royalty Agreement, Percentage of Net Smelter Return	1.50%
Payments to Acquire Royalty Interests in Mining Properties	$ 500,000
Percentage of Royalty Interest Acquired	0.50%
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets	$ 1,303,388
Variable Interest Entity, Nonconsolidated, Carrying Amount, Liabilities	250,000
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount	1,300,000
Other Assets, Noncurrent	1,553,388		$ 0
Other Liabilities, Noncurrent	$ 315,519		$ 0
JDL Resources Inc [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	1,333,560
Payments to Acquire Businesses, Gross	$ 50,000
Business Combination, Consideration Transferred, Liabilities Incurred	$ 250,000