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Basis of Presentation (Details) - company	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Basis of Presentation
Equity method investments	7	7	7	7

X

- Definition

Represents the number of minority investment entities that are not consolidated and are accounted for under the equity method.

+ References

No definition available.

+ Details

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Namespace Prefix:	axti_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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