Summary of Operations and Significant Accounting Policies - Other Current Assets - Additional Information (Details)	12 Months Ended
Sep. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Maximum percentage of other current assets included in total current assets	5.00%

Maximum percentage of other current assets included in total current assets.

No definition available.

Name:	asys_MaximumPercentageOfOtherCurrentAssetsIncludedInTotalCurrentAssets
Namespace Prefix:	asys_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration