XML 93 R78.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Commitments and Contingencies (Development Projects) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2014
Schedule of Equity Method Investments [Line Items] |  |  |  |
Purchases of property, plant and equipment | $ 1,256 | $ 978 | $ 610 |
Tempress Systems and Energy Research Centre Agreement |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Purchases of property, plant and equipment |  |  |  | $ 1,400
Ownership rights, results of projects developed separately by individual parties |  |  |  | 100.00%
Research and development, required contribution, labor and assets |  |  |  | $ 1,400

X
- Definition Ownership Rights, Results of Projects Developed Separately By Individual Parties + References No definition available. + Details
Name: | asys_OwnershipRightsResultsofProjectsDevelopedSeparatelyByIndividualParties
Namespace Prefix: | asys_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Research and Development, Required Contribution, Labor and Assets + References No definition available. + Details
Name: | asys_ResearchandDevelopmentRequiredContributionLaborandAssets
Namespace Prefix: | asys_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis=asys_TempressSystemsandEnergyResearchCentreAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |