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Schedule of Provision for Income Taxes (Details) (USD $)
3 Months Ended 6 Months Ended 12 Months Ended 45 Months Ended
Oct. 31, 2014
Oct. 31, 2013
Oct. 31, 2014
Oct. 31, 2013
Apr. 30, 2014
Apr. 30, 2013
Apr. 30, 2014
Statutory income tax rate         34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate    
Expected income tax recovery (expense) at the statutory rate of 34%         $ (165,659)jigd_ExpectedIncomeTaxRecovery $ (15,231)jigd_ExpectedIncomeTaxRecovery  
Tax effect of expenses that are not deductible for income tax purposes         0us-gaap_OtherTaxExpenseBenefit 0us-gaap_OtherTaxExpenseBenefit  
Change in valuation allowance         165,659us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount 15,231us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount  
Provision for income taxes $ 0us-gaap_IncomeTaxExpenseBenefit $ 0us-gaap_IncomeTaxExpenseBenefit $ 0us-gaap_IncomeTaxExpenseBenefit $ 0us-gaap_IncomeTaxExpenseBenefit $ 0us-gaap_IncomeTaxExpenseBenefit $ 0us-gaap_IncomeTaxExpenseBenefit $ 0us-gaap_IncomeTaxExpenseBenefit