XML 28 R35.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Major Customers and Foreign Sales (Details) | 3 Months Ended
--- | ---
Dec. 31, 2013 Customer | Dec. 31, 2012 Customer
Revenue, Major Customer [Line Items] |  |
Revenue, number of major customers | 2 | 1
Revenues, percentage | 100.00% | 100.00%
United States |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 42.00% | 22.00%
China |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 11.00% | 31.00%
Taiwan |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 11.00% | 9.00%
Other |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 11.00% | 14.00%
Total Asia |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 33.00% | 54.00%
Total Europe |  |
Revenue, Major Customer [Line Items] |  |
Revenues, percentage | 25.00% | 24.00%
Customer Number One [Member] |  |
Revenue, Major Customer [Line Items] |  |
Revenue, major customer, percentage | 33.00% | 14.00%
Customer Number Two [Member] |  |
Revenue, Major Customer [Line Items] |  |
Revenue, major customer, percentage | 23.00% |

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

X
- Definition Percentage of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues. + References No definition available. + Details
Name: | us-gaap_EntityWideRevenueMajorCustomerPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration