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Related Party Transactions (Narrative) (Details) (USD $)
 9 Months Ended
Jan. 31, 2015
Related Party Transactions 1 $ 20,397cpah_RelatedPartyTransactionsZeroTwoSevenZeroZeroZerobTpWTwoTZerorRlZq
Related Party Transactions 2 61,192cpah_RelatedPartyTransactionsZeroTwoSevenZeroZeroZeroWmbrcRkRhSevenWm
Related Party Transactions 3 17,227cpah_RelatedPartyTransactionsZeroTwoSevenZeroZeroZeroFPZzSThreeJrFivemdN
Related Party Transactions 4 51,679cpah_RelatedPartyTransactionsZeroTwoSevenZeroZeroZeroPXThreefFlSevencfLRTwo
Related Party Transactions 5 2,369cpah_RelatedPartyTransactionsZeroTwoSevenZeroZeroZeroyfxbymmCfxrl
Related Party Transactions 6 16,583cpah_RelatedPartyTransactionsZeroTwoSevenZeroZeroZeroxhZqybOnerSqDb
Related Party Transactions 7 5,560cpah_RelatedPartyTransactionsZeroTwoSevenZeroZeroZeroHpwSkvFiveJGKWD
Related Party Transactions 8 $ 5,560cpah_RelatedPartyTransactionsZeroTwoSevenZeroZeroZeroNineMKFourEightbZXccyq