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v3.21.1

Revenue - Revenue Recognition (Details) | 3 Months Ended
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Mar. 31, 2021
Maximum |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Sales commissions benefit period | 1 year

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- Definition Period at which sales commissions are expected to be received. + References No definition available. + Details
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Namespace Prefix: | axti_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |