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Closing Stock Price at Transaction Date and Inputs to Black-Scholes Option Pricing (Detail) (USD $)
1 Months Ended 3 Months Ended 12 Months Ended
Oct. 29, 2012
Oct. 31, 2013
Jul. 31, 2013
Apr. 30, 2013
Jan. 31, 2014
Dec. 31, 2014
Schedule Of Class Of Right Or Warrant Fair Value Assumption [Line Items]            
Expected life (years) 60 months 6 years 3 years 4 years 7 months 2 days    
Volatility   67.20%us-gaap_FairValueAssumptionsExpectedVolatilityRate 29.70%us-gaap_FairValueAssumptionsExpectedVolatilityRate 26.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate    
Risk-free interest rate   0.00%us-gaap_FairValueAssumptionsExpectedDividendRate 0.00%us-gaap_FairValueAssumptionsExpectedDividendRate 0.00%us-gaap_FairValueAssumptionsExpectedDividendRate    
Dividends   1.40%us-gaap_FairValueAssumptionsRiskFreeInterestRate 0.60%us-gaap_FairValueAssumptionsRiskFreeInterestRate 0.50%us-gaap_FairValueAssumptionsRiskFreeInterestRate    
Note Warrant [Member]            
Schedule Of Class Of Right Or Warrant Fair Value Assumption [Line Items]            
Fair value of 9% Notes warrants         $ 186,897us-gaap_WarrantsNotSettleableInCashFairValueDisclosure
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_NoteWarrantMember
 
Exercise price         $ 4.50us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_NoteWarrantMember
$ 10.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_NoteWarrantMember
Expected life (years)         5 years  
Volatility         36.70%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_NoteWarrantMember
 
Risk-free interest rate         0.70%us-gaap_FairValueAssumptionsExpectedDividendRate
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_NoteWarrantMember
 
Dividends         0.00%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_NoteWarrantMember
 
Warrant [Member]            
Schedule Of Class Of Right Or Warrant Fair Value Assumption [Line Items]            
Exercise price         $ 4.20us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
 
Expected life (years)         5 years  
Volatility         48.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
 
Risk-free interest rate         0.70%us-gaap_FairValueAssumptionsExpectedDividendRate
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
 
Dividends         0.00%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
 
Placement Agent Warrants [Member]            
Schedule Of Class Of Right Or Warrant Fair Value Assumption [Line Items]            
Exercise price         $ 4.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= ameh_PlacementAgentWarrantsMember
$ 20.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= ameh_PlacementAgentWarrantsMember
Expected life (years)         5 years  
Volatility         36.70%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_ClassOfWarrantOrRightAxis
= ameh_PlacementAgentWarrantsMember
 
Risk-free interest rate         0.70%us-gaap_FairValueAssumptionsExpectedDividendRate
/ us-gaap_ClassOfWarrantOrRightAxis
= ameh_PlacementAgentWarrantsMember
 
Dividends         0.00%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_ClassOfWarrantOrRightAxis
= ameh_PlacementAgentWarrantsMember