CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited)
Net income	$ 1,798	$ 798	$ 2,223	$ 731
Other comprehensive income (loss), net of tax:
Change in foreign currency translation gain (loss), net of tax	847	(1,870)	1,322	(1,568)
Change in unrealized loss on available-for-sale investments, net of tax	(2)	(166)	(125)	(141)
Total other comprehensive income (loss), net of tax	845	(2,036)	1,197	(1,709)
Comprehensive income (loss)	2,643	(1,238)	3,420	(978)
Less: Comprehensive loss attributable to the noncontrolling interest	30	568	215	633
Comprehensive income (loss) attributable to AXT, Inc.	$ 2,673	$ (670)	$ 3,635	$ (345)