Net Income (Loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Net Income (Loss) Per Share

Reconciliation of numerators and denominators of basic and diluted net income 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):

	Year ended
	December 31,
	2019		2018		2017
Numerator:
Net income (loss) attributable to AXT, Inc.	$	(2,600)	$	9,654	$	10,148
Less: Preferred stock dividends		(177)		(177)		(177)
Net income (loss) available to common stockholders	$	(2,777)	$	9,477	$	9,971
Denominator:
Denominator for basic net income (loss) per share - weighted-average common shares		39,487		39,049		37,444
Effect of dilutive securities:
Common stock options		—		1,106		1,339
Restricted stock awards		—		110		183
Denominator for dilutive net income (loss) per common shares		39,487		40,265		38,966
Basic net income (loss) per share:
Net income (loss) attributable to AXT, Inc.	$	(0.07)	$	0.24	$	0.27
Net income (loss) to common stockholders	$	(0.07)	$	0.24	$	0.27
Diluted net income (loss) per share:
Net income (loss) attributable to AXT, Inc.	$	(0.07)	$	0.24	$	0.26
Net income (loss) to common stockholders	$	(0.07)	$	0.24	$	0.26
Options excluded from diluted net income (loss) per share as the impact is anti-dilutive		2,953		266		86
Restricted stock excluded from diluted net income (loss) per share as the impact is anti-dilutive		939		227		63