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Income Taxes (Details Textual) (USD $)
 12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2013
Operating Loss Carryforwards [Line Items]      
Valuation allowance $ 76,400,000us-gaap_DeferredTaxAssetsValuationAllowance $ 73,014,000us-gaap_DeferredTaxAssetsValuationAllowance  
Undistributed earnings of foreign subsidiaries 700,000us-gaap_UndistributedEarningsOfForeignSubsidiaries 1,800,000us-gaap_UndistributedEarningsOfForeignSubsidiaries  
Significant change in unrecognized tax benefits reasonably possible, lower end 0us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeLowerBound    
Significant change in unrecognized tax benefits reasonably possible, upper end 100,000us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeUpperBound    
Interest and penalty expense (benefit), (less than $.1 million for year ended March 31, 2012) 300,000us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense 200,000us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense 100,000us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
Interest and penalties accrued 800,000us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued 1,100,000us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued  
Federal and State Deferred Tax Assets [Member]      
Operating Loss Carryforwards [Line Items]      
Valuation allowance 76,100,000us-gaap_DeferredTaxAssetsValuationAllowance
/ us-gaap_ValuationAllowanceByDeferredTaxAssetAxis
= agys_FederalAndStateDeferredTaxAssetsMember		    
Deferred Tax Assets in Hong Kong [Member]      
Operating Loss Carryforwards [Line Items]      
Valuation allowance 300,000us-gaap_DeferredTaxAssetsValuationAllowance
/ us-gaap_ValuationAllowanceByDeferredTaxAssetAxis
= agys_DeferredTaxAssetsInHongKongMember		    
Federal [Member]      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforwards 170,300,000us-gaap_OperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_InternalRevenueServiceIRSMember		    
Operating loss carryforwards, excess income tax benefit related to share-based compensation 4,200,000agys_OperatingLossCarryforwardsExcessIncomeTaxBenefitRelatedToShareBasedCompensation
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_InternalRevenueServiceIRSMember		    
Foreign Tax Authority [Member] | Hong Kong [Member]      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforwards 300,000us-gaap_OperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_ForeignCountryMember
/ us-gaap_StatementGeographicalAxis
= country_HK		    
State and Local Jurisdiction [Member]      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforwards $ 143,700,000us-gaap_OperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_StateAndLocalJurisdictionMember