CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income	$ 6,730	$ 4,496	$ 17,247	$ 12,876
Other comprehensive income (loss), net of tax:
Change in foreign currency translation gain (loss), net of tax	(7,299)	70	(13,772)	1,639
Change in unrealized loss on available-for-sale debt investments, net of tax	(58)	(9)	(301)	(11)
Total other comprehensive income (loss), net of tax	(7,357)	61	(14,073)	1,628
Comprehensive income (loss)	(627)	4,557	3,174	14,504
Less: Comprehensive (income) loss attributable to noncontrolling interests and redeemable noncontrolling interests	293	(707)	(460)	(1,520)
Comprehensive income (loss) attributable to AXT, Inc.	$ (334)	$ 3,850	$ 2,714	$ 12,984