Net income per Share (Tables)

12 Months Ended

Dec. 31, 2012

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 per share calculations is as follows (in thousands, except per share data):

	Years Ended December 31,
	2012	2011	2010
Numerator:
Net income attributable to AXT, Inc	$ 3,110	$20,320	$18,653
Less: Preferred stock dividends	(177)	(177)	(177)
Net income to common stockholders	$ 2,933	$20,143	$18,476
Denominator:
Denominator for basic net income per share—weighted average common shares	32,144	31,872	31,008
Effect of dilutive securities:
Common stock options	689	1,093	1,380
Restricted stock awards	32	96	124
Denominator for dilutive net income per share	32,865	33,061	32,512
Basic net income per share:
Net income attributable to AXT, Inc	$0.10	$0.64	$0.60
Net income to common stockholders	$0.09	$0.63	$0.60
Diluted net income per share:
Net income attributable to AXT, Inc	$0.09	$0.61	$0.57
Net income to common stockholders	$0.09	$0.61	$0.57
Options excluded from diluted net income per share as the impact is anti-dilutive	1,056	478	14
Restricted stock excluded from diluted net income per share as the impact is anti-dilutive	13	116	127