Net Income (loss) Per Share (Tables)

3 Months Ended

Mar. 31, 2013

Net Income (loss) Per Share [Abstract]

Reconciliation of numerators and denominators of basic and diluted net income (loss) per share

A reconciliation of the numerators and denominators of the basic and diluted net income (loss) per share calculations is as follows (in thousands, except per share data):

	Three Months Ended March 31,
	2013			2012
Numerator:
Net income (loss) attributable to AXT, Inc.	$	(2,400	)	$	1,635
Less: Preferred stock dividends		(44	)		(44	)
Net income (loss) available to common stockholders	$	(2,444	)	$	1,591
Denominator:
Denominator for basic net income (loss) per share - weighted average common shares		32,297			32,034
Effect of dilutive securities:
Common stock options		—			903
Restricted stock awards		—			81
Denominator for dilutive net income (loss) per common share		32,297			33,018
Net income (loss) attributable to AXT, Inc. per common share:
Basic	$	(0.08	)	$	0.05
Diluted	$	(0.08	)	$	0.05
Weighted-average shares:
Options excluded from diluted net income (loss) per share as the impact is anti-dilutive		2,656			878
Restricted stock excluded from diluted net income (loss) per share as the impact is anti-dilutive		239			74