Basis of Presentation (Details) - company	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Basis of Presentation
Equity method investments	7	7	7	7

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

No definition available.

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