Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2025

Stockholders' Equity

Consolidated statements of stockholders' equity

									Accumulated
									Other		AXT, Inc.				Total
	Preferred		Common		Additional		Accumulated		Comprehensive		Stockholders’		Noncontrolling		Stockholders’
	Stock		Stock		Paid-In Capital		Deficit		Income (Loss)		Equity		Interests		Equity
Balance as of December 31, 2024	$	3,532	$	45	$	241,514	$	(43,664)	$	(8,657)	$	192,770	$	23,561	$	216,331
Noncontrolling interest portion of Tongmei stock-based compensation		—		1		(13)		—		—		(12)		6		(6)
Stock-based compensation		—		—		563		—		—		563		—		563
Tongmei stock-based compensation		—		—		83		—		—		83		—		83
Net loss		—		—		—		(8,798)		—		(8,798)		(610)		(9,408)
Other comprehensive loss		—		—		—		—		431		431		53		484
Balance as of March 31, 2025	$	3,532	$	46	$	242,147	$	(52,462)	$	(8,226)	$	185,037	$	23,010	$	208,047

									Accumulated
									Other		AXT, Inc.				Total
	Preferred		Common		Additional		Accumulated		Comprehensive		Stockholders’		Noncontrolling		Stockholders’
	Stock		Stock		Paid-In Capital		Deficit		Income (Loss)		Equity		Interests		Equity
Balance as of December 31, 2023	$	3,532	$	44	$	238,452	$	(32,040)	$	(5,999)	$	203,989	$	23,494	$	227,483
Common stock options exercised		—		—		20		—		—		20		—		20
Noncontrolling interest portion of Tongmei stock-based compensation		—		—		(24)		—		—		(24)		13		(11)
Stock-based compensation		—		—		614		—		—		614		—		614
Tongmei stock-based compensation		—		—		195		—		—		195		—		195
Net income (loss)		—		—		—		(2,083)		—		(2,083)		106		(1,977)
Other comprehensive income		—		—		—		—		(1,627)		(1,627)		(187)		(1,814)
Balance as of March 31, 2024	$	3,532	$	44	$	239,257	$	(34,123)	$	(7,626)	$	201,084	$	23,426	$	224,510