BATOVI DIAMOND PROJECT (Detail Textuals)	1 Months Ended	6 Months Ended
	Nov. 20, 2014 USD ($) License	Jan. 31, 2018 USD ($)
Schedule of Equity Method Investments [Line Items]
Payment to joint venture in cash for equity interest		$ 30,000
Write off of acquisition costs		7,992,000
Joint venture agreement ("the Joint Venture") | Mineracao Batovi Ltda. ("Mineracao Batovi")
Schedule of Equity Method Investments [Line Items]
Number of federal exploration licenses | License	21
Payment to joint venture in cash for equity interest	$ 1,000,000
Percentage of equity interest earned	49.00%
Amended and restated joint venture agreement (the "Amended and Restated Joint Venture Agreement") | Mineracao Batovi Ltda. ("Mineracao Batovi")
Schedule of Equity Method Investments [Line Items]
Payment to joint venture in cash for equity interest		$ 30,000
Percentage of equity interest earned		2.40%