CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited)
Net income (loss)	$ 2,211	$ 47	$ 2,942	$ (728)
Other comprehensive loss, net of tax:
Change in foreign currency translation loss, net of tax	(233)	(2,626)	(1,801)	(2,321)
Change in unrealized loss on available-for-sale investments, net of tax	(112)	(134)	(253)	(484)
Total other comprehensive loss, net of tax	(345)	(2,760)	(2,054)	(2,805)
Comprehensive income (loss)	1,866	(2,713)	888	(3,533)
Less: Comprehensive loss attributable to the noncontrolling interest	48	335	681	41
Comprehensive income (loss) attributable to AXT, Inc.	$ 1,914	$ (2,378)	$ 1,569	$ (3,492)