CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income	$ 18,742	$ 16,509	$ 5,041
Other comprehensive income (loss), net of tax:
Change in foreign currency translation gain (loss), net of tax	(10,994)	3,719	8,443
Change in unrealized gain (loss) on available-for-sale debt investments, net of tax	(238)	(68)	6
Total other comprehensive income (loss), net of tax	(11,232)	3,651	8,449
Comprehensive income	7,510	20,160	13,490
Less: Comprehensive income attributable to noncontrolling interests and redeemable noncontrolling interests	(1,117)	(2,492)	(2,181)
Comprehensive income attributable to AXT, Inc.	$ 6,393	$ 17,668	$ 11,309