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Net Income (Loss) per Share (Tables)
 12 Months Ended
Dec. 31, 2018
Net Income (Loss) per Share  
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):

 

 

 

 

 

 

 

 

 

 

 

 

 

Year ended

 

 

 

December 31, 

 

 

    

2018

    

2017

    

2016

 

Numerator:

 

 

 

 

 

 

 

 

 

 

Net income attributable to AXT, Inc.

 

$

9,654

 

$

10,148

 

$

5,636

 

Less: Preferred stock dividends

 

 

(177)

 

 

(177)

 

 

(177)

 

Net income available to common stockholders

 

$

9,477

 

$

9,971

 

$

5,459

 

Denominator:

 

 

 

 

 

 

 

 

 

 

Denominator for basic net income per share - weighted-average common shares

 

 

39,049

 

 

37,444

 

 

32,139

 

Effect of dilutive securities:

 

 

 

 

 

 

 

 

 

 

Common stock options

 

 

1,106

 

 

1,339

 

 

596

 

Restricted stock awards

 

 

110

 

 

183

 

 

159

 

Denominator for dilutive net income per common shares

 

 

40,265

 

 

38,966

 

 

32,894

 

 

 

 

 

 

 

 

 

 

 

 

Basic net income per share:

 

 

 

 

 

 

 

 

 

 

Net income attributable to AXT, Inc.

 

$

0.24

 

$

0.27

 

$

0.17

 

Net income to common stockholders

 

$

0.24

 

$

0.27

 

$

0.17

 

Diluted net income per share:

 

 

 

 

 

 

 

 

 

 

Net income attributable to AXT, Inc.

 

$

0.24

 

$

0.26

 

$

0.17

 

Net income to common stockholders

 

$

0.24

 

$

0.26

 

$

0.17

 

Options excluded from diluted net income per share as the impact is anti-dilutive

 

 

266

 

 

86

 

 

779

 

Restricted stock excluded from diluted net income per share as the impact is anti-dilutive

 

 

227

 

 

63

 

 

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