XML 49 R38.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Major Customers and Foreign Sales (Details) - Customer | 3 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Revenue, Major Customer [Line Items] |  |
Revenue, number of major customers | 1 | 2
Revenues, percentage | 100.00% | 100.00%
United States |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 28.00% | 23.00%
Other |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 3.00% | 0.00%
Total North America |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 31.00% | 23.00%
China |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 20.00% | 26.00%
Taiwan |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 13.00% | 19.00%
Other |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 21.00% | 6.00%
Total Asia |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 54.00% | 51.00%
Germany |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 2.00% | 10.00%
Other |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 13.00% | 16.00%
Total Europe |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 15.00% | 26.00%
Net Revenues | Customer Concentration Risk | Customer Number One |  |
Revenue, Major Customer [Line Items] |  |
Concentration risk, percentage | 14.00% | 12.00%
Net Revenues | Customer Concentration Risk | Customer Number Two |  |
Revenue, Major Customer [Line Items] |  |
Concentration risk, percentage |  | 11.00%

X
- Definition Entity-Wide Revenue, Major Customer, Number + References No definition available. + Details
Name: | asys_EntityWideRevenueMajorCustomerNumber
Namespace Prefix: | asys_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Revenues, Percentage + References No definition available. + Details
Name: | asys_RevenuesPercentage
Namespace Prefix: | asys_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13537-108611 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
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_EntityWideRevenueMajorCustomerLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=asys_AmericasOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=us-gaap_NorthAmericaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_CN
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_TW
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=asys_SegmentGeographicalGroupsOfCountriesOtherImmaterialLocationsGroupOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=us-gaap_AsiaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_DE
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=asys_SegmentGeographicalGroupsOfCountriesOtherImmaterialLocationsGroupTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=us-gaap_EuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=asys_CustomerNumberOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=asys_CustomerNumberTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |