CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net loss	$ (2,887)	$ (6,415)	$ (6,134)	$ (15,434)
Other comprehensive income (loss), net of tax:
Change in foreign currency translation gain (loss), net of tax	3,932	(580)	1,175	(6,938)
Change in unrealized gain on available-for-sale debt investments, net of tax	5	65	20	253
Total other comprehensive income (loss), net of tax	3,937	(515)	1,195	(6,685)
Comprehensive income (loss) attributable to AXT, Inc.	1,050	(6,930)	(4,939)	(22,119)
Less: Comprehensive (income) loss attributable to noncontrolling interests and redeemable noncontrolling interests	(798)	701	(636)	2,396
Comprehensive income (loss) attributable to AXT, Inc.	$ 252	$ (6,229)	$ (5,575)	$ (19,723)