XML 21 R43.htm IDEA: XBRL DOCUMENT v2.4.1.9
Subsequent Event (Details) (USD $)
In Millions, except Share data in Thousands, unless otherwise specified
0 Months Ended 3 Months Ended
Jan. 30, 2015
Dec. 31, 2014
Sep. 30, 2014
Oct. 21, 2014
Subsequent Event [Line Items]        
Common stock, par value   $ 0.01us-gaap_CommonStockParOrStatedValuePerShare $ 0.01us-gaap_CommonStockParOrStatedValuePerShare  
BTU International, Inc (BTU) | Merger Agreement        
Subsequent Event [Line Items]        
Common stock, par value       $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
/ dei_LegalEntityAxis
= asys_BTUInternationalIncBTUMember
/ us-gaap_RelatedPartyTransactionAxis
= asys_MergerAgreementMember
BTU International, Inc (BTU) | Merger Agreement | Subsequent Event        
Subsequent Event [Line Items]        
Shares issued upon conversion 3,186us-gaap_ConversionOfStockSharesIssued1
/ dei_LegalEntityAxis
= asys_BTUInternationalIncBTUMember
/ us-gaap_RelatedPartyTransactionAxis
= asys_MergerAgreementMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
     
Parent Company | Merger Agreement | Subsequent Event        
Subsequent Event [Line Items]        
Common stock, par value 0.01us-gaap_CommonStockParOrStatedValuePerShare
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_RelatedPartyTransactionAxis
= asys_MergerAgreementMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
     
Shares of stock exchanged per each share of subsidiary stock 0.3291asys_ConversionOfStockConversionRatioSharesOfStockExchangedPerEachShareOfSubsidiaryStock
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_RelatedPartyTransactionAxis
= asys_MergerAgreementMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
     
Selling, General and Administrative Expenses        
Subsequent Event [Line Items]        
Acquisition-related costs   $ 1.2us-gaap_BusinessCombinationAcquisitionRelatedCosts
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember