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Summary of Significant Accounting Policies (Details 1) (Sales Revenue, Net [Member])
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Concentration Risk [Line Items]    
Total Concentration Risk, Percentage Total 100.00%us-gaap_ConcentrationRiskPercentage1 100.00%us-gaap_ConcentrationRiskPercentage1
Maximum Human Performance [Member]
    
Concentration Risk [Line Items]    
Total Concentration Risk, Percentage Total 36.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= atth_MaximumHumanPerformanceMember		 100.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= atth_MaximumHumanPerformanceMember
Cenegenics [Member]
    
Concentration Risk [Line Items]    
Total Concentration Risk, Percentage Total 63.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= atth_CenegenicsMember		 0.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= atth_CenegenicsMember
Other One [Member]
    
Concentration Risk [Line Items]    
Total Concentration Risk, Percentage Total 1.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= atth_OtherOneMember		 0.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= atth_OtherOneMember