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RELATED PARTY TRANSACTIONS (Narrative) (Details) (USD $)
9 Months Ended 3 Months Ended
Jan. 31, 2015
Jan. 31, 2014
Jan. 31, 2015
Apr. 30, 2014
Due to related parties $ 3,529us-gaap_DueToRelatedPartiesNoncurrent   $ 3,529us-gaap_DueToRelatedPartiesNoncurrent $ 39,855us-gaap_DueToRelatedPartiesNoncurrent
Repayment of related party debt 44,676us-gaap_RepaymentsOfRelatedPartyDebt 14,040us-gaap_RepaymentsOfRelatedPartyDebt    
Majority Shareholder [Member]        
Related party transactions, amount of transactions 60us-gaap_RelatedPartyTransactionAmountsOfTransaction
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_MajorityShareholderMember
  0us-gaap_RelatedPartyTransactionAmountsOfTransaction
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_MajorityShareholderMember
 
Repayment of related party debt 44,676us-gaap_RepaymentsOfRelatedPartyDebt
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_MajorityShareholderMember
  0us-gaap_RepaymentsOfRelatedPartyDebt
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_MajorityShareholderMember
 
General expenses and professional fees [Member] | Majority Shareholder [Member]        
Repayment of related party debt $ 8,290us-gaap_RepaymentsOfRelatedPartyDebt
/ us-gaap_RelatedPartyTransactionAxis
= jigd_GeneralExpensesAndProfessionalFeesMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_MajorityShareholderMember
  $ 0us-gaap_RepaymentsOfRelatedPartyDebt
/ us-gaap_RelatedPartyTransactionAxis
= jigd_GeneralExpensesAndProfessionalFeesMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_MajorityShareholderMember