XML 69 R52.htm IDEA: XBRL DOCUMENT
v3.20.2

Summary of Operations and Significant Accounting Policies - Revenue Recognition - Additional Information (Details) | 12 Months Ended
--- | ---
Sep. 30, 2020
Disaggregation of Revenue [Line Items] |
Practical expedient, financing component | true
Period of contract | 1 year
Practical expedient, incremental cost of obtaining contract | true
Amortization period | 1 year
Minimum | Equipment Sales |
Disaggregation of Revenue [Line Items] |
Warranty period | 12 months
Maximum | Equipment Sales |
Disaggregation of Revenue [Line Items] |
Warranty period | 36 months

X
- Definition Contract With Customer, Amortization Period + References No definition available. + Details
Name: | asys_ContractWithCustomerAmortizationPeriod
Namespace Prefix: | asys_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contract With Customer, Term Of Contract + References No definition available. + Details
Name: | asys_ContractWithCustomerTermOfContract
Namespace Prefix: | asys_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equipment assurance warranty period. + References No definition available. + Details
Name: | asys_EquipmentAssuranceWarrantyPeriod
Namespace Prefix: | asys_
Data Type: | xbrli:durationItemType
Balance Type: | na
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_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Indicates (true false) whether practical expedient was elected not to adjust consideration for effect of financing component when transfer and customer payment for product or service occurs within one year or less. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130569-203045 + Details
Name: | us-gaap_RevenuePracticalExpedientFinancingComponent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- Definition Indicates (true false) whether practical expedient was elected to recognize incremental cost of obtaining contract as expense when incurred if amortization period would have been one year or less. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL51790836-203054 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130569-203045 + Details
Name: | us-gaap_RevenuePracticalExpedientIncrementalCostOfObtainingContract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=asys_EquipmentSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |