Cybersecurity Incident - Additional Information (Details) $ in Millions	3 Months Ended
Jun. 30, 2021 USD ($)
Selling, General And Administrative Expenses [Member]
Cybersecurity Incident [Line Items]
Cybersecurity expenses	$ 1.1

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.

No definition available.

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Namespace Prefix:	asys_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration