CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (Parenthetical) $ in Thousands	Sep. 30, 2019 USD ($) subsidiary	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($) subsidiary
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
Number of consolidated joint ventures \| subsidiary	1		1
Dividends accrued but not paid by joint ventures \| $	$ 0	$ 504	$ 505

Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by joint ventures in which entity has interest and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

No definition available.

Name:	axti_DividendsPayableCurrentByJointVentures
Namespace Prefix:	axti_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant