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Prepaid Expenses (Details) (USD $)
Mar. 31, 2015
Jun. 30, 2014
Deposit On Advance Minimum Royalty $ 40,000ctgo_DepositOnAdvanceMinimumRoyalty  
Prepaid Expense, Current 141,096us-gaap_PrepaidExpenseCurrent 98,906us-gaap_PrepaidExpenseCurrent
Advance Minimum Royalty $ 75,000ctgo_AdvanceMinimumRoyalty