XML 61 R38.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Major Customers and Foreign Sales (Details) | 6 Months Ended
--- | ---
Mar. 31, 2015 Customer | Mar. 31, 2014 Customer
Revenue, Major Customer [Line Items] |  |
Revenue, number of major customers | 1 asys_EntityWideRevenueMajorCustomerNumber | 2 asys_EntityWideRevenueMajorCustomerNumber
Revenues, percentage | 100.00%asys_RevenuesPercentage | 100.00%asys_RevenuesPercentage
United States |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 17.00%asys_RevenuesPercentage / us-gaap_StatementGeographicalAxis = country_US | 30.00%asys_RevenuesPercentage / us-gaap_StatementGeographicalAxis = country_US
Other |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 3.00%asys_RevenuesPercentage / us-gaap_StatementGeographicalAxis = asys_OtherNorthAmericaMember | 0.00%asys_RevenuesPercentage / us-gaap_StatementGeographicalAxis = asys_OtherNorthAmericaMember
Total North America |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 20.00%asys_RevenuesPercentage / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember | 30.00%asys_RevenuesPercentage / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember
China |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 28.00%asys_RevenuesPercentage / us-gaap_StatementGeographicalAxis = country_CN | 15.00%asys_RevenuesPercentage / us-gaap_StatementGeographicalAxis = country_CN
Taiwan |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 18.00%asys_RevenuesPercentage / us-gaap_StatementGeographicalAxis = country_TW | 17.00%asys_RevenuesPercentage / us-gaap_StatementGeographicalAxis = country_TW
Other |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 16.00%asys_RevenuesPercentage / us-gaap_StatementGeographicalAxis = asys_SegmentGeographicalGroupsOfCountriesOtherImmaterialLocationsGroupOneMember | 14.00%asys_RevenuesPercentage / us-gaap_StatementGeographicalAxis = asys_SegmentGeographicalGroupsOfCountriesOtherImmaterialLocationsGroupOneMember
Total Asia |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 62.00%asys_RevenuesPercentage / us-gaap_StatementGeographicalAxis = us-gaap_AsiaMember | 46.00%asys_RevenuesPercentage / us-gaap_StatementGeographicalAxis = us-gaap_AsiaMember
Germany |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 8.00%asys_RevenuesPercentage / us-gaap_StatementGeographicalAxis = country_DE | 5.00%asys_RevenuesPercentage / us-gaap_StatementGeographicalAxis = country_DE
Other |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 10.00%asys_RevenuesPercentage / us-gaap_StatementGeographicalAxis = asys_SegmentGeographicalGroupsOfCountriesOtherImmaterialLocationsGroupTwoMember | 19.00%asys_RevenuesPercentage / us-gaap_StatementGeographicalAxis = asys_SegmentGeographicalGroupsOfCountriesOtherImmaterialLocationsGroupTwoMember
Total Europe |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 18.00%asys_RevenuesPercentage / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember | 24.00%asys_RevenuesPercentage / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
Customer Number One |  |
Revenue, Major Customer [Line Items] |  |
Concentration risk, percentage | 19.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_MajorCustomersAxis = asys_CustomerNumberOneMember | 18.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_MajorCustomersAxis = asys_CustomerNumberOneMember
Customer Number Two |  |
Revenue, Major Customer [Line Items] |  |
Concentration risk, percentage |  | 16.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_MajorCustomersAxis = asys_CustomerNumberTwoMember

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 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611 Reference 2: 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=6927468&loc=d3e6404-108592 Reference 3: 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=28364263&loc=d3e13531-108611 Reference 4: 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=6927468&loc=d3e6351-108592 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_EntityWideRevenueMajorCustomerLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=asys_OtherNorthAmericaMember
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=asys_SegmentGeographicalGroupsOfCountriesOtherImmaterialLocationsGroupTwoMember
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_DE
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=country_US
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=us-gaap_EuropeMember
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: |