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Net Income (Loss) per Share (Tables)

12 Months Ended

Dec. 31, 2021

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,								​
​			2021			2020			2019
Numerator:	​	​	​	​	​	​	​	​	​	​	​
Net income (loss) attributable to AXT, Inc.	​	​	$	14,575	​	$	3,238	​	$	(2,600)	​
Less: Preferred stock dividends	​	​		(177)	​		(177)	​		(177)	​
Net income (loss) available to common stockholders	​	​	$	14,398	​	$	3,061	​	$	(2,777)	​
Denominator:	​	​	​	​	​	​	​	​	​	​	​
Denominator for basic net income (loss) per share - weighted-average common shares	​	​		41,367	​		40,152	​		39,487	​
Effect of dilutive securities:	​	​	​	​	​	​	​	​	​	​	​
Common stock options	​	​		803	​		602	​		—	​
Restricted stock awards	​	​		550	​		271	​		—	​
Denominator for dilutive net income per common shares	​	​		42,720	​		41,025	​		39,487	​
Net income (loss) attributable to AXT, Inc. per common share:	​	​	​	​	​	​	​	​	​	​	​
Basic	​	​	$	0.35	​	$	0.08	​	$	(0.07)	​
Diluted	​	​	$	0.34	​	$	0.07	​	$	(0.07)	​
​	​	​	​	​	​	​	​	​	​	​	​
Options excluded from diluted net income (loss) per share as the impact is anti-dilutive	​	​		21	​		862	​		2,953	​
Restricted stock excluded from diluted net income (loss) per share as the impact is anti-dilutive	​	​		118	​		161	​		939	​

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- References

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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