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Customers Contributed Percentage of Revenue (Detail) | 12 Months Ended
--- | ---
Jan. 31, 2014 | Jan. 31, 2013
Payor A |  |
Percentage Of Revenue [Line Items] |  |
Revenue from major customers as percentage of total revenues | 15.90%ameh_RevenueOfMajorCustomersPercentageOfTotalRevenue / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = ameh_CustomerOneMember | 22.00%ameh_RevenueOfMajorCustomersPercentageOfTotalRevenue / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = ameh_CustomerOneMember
Payor B |  |
Percentage Of Revenue [Line Items] |  |
Revenue from major customers as percentage of total revenues | 15.90%ameh_RevenueOfMajorCustomersPercentageOfTotalRevenue / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = ameh_CustomerTwoMember | 0.00%ameh_RevenueOfMajorCustomersPercentageOfTotalRevenue / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = ameh_CustomerTwoMember
Payor C |  |
Percentage Of Revenue [Line Items] |  |
Revenue from major customers as percentage of total revenues | 15.50%ameh_RevenueOfMajorCustomersPercentageOfTotalRevenue / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = ameh_CustomerThreeMember | 0.00%ameh_RevenueOfMajorCustomersPercentageOfTotalRevenue / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = ameh_CustomerThreeMember

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