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Net Loss per Share

9 Months Ended

Sep. 30, 2021

Net Loss per Share

Net Loss per Share

11. Net Loss per Share

The following outstanding potentially dilutive common stock equivalents have been excluded from the calculation of diluted net loss per share attributable to common stockholders for the periods presented due to their antidilutive effect:

​

​	​	​	​	​
​	​	September 30,	​	December 31,
​		2021		2020
Convertible preferred stock (as converted)		15,906,537		12,528,612
Options issued and outstanding		4,318,992		4,587,865
Warrants for common stock		149,800		201,131
Total		20,375,329		17,317,608

​

The basic and diluted net loss per share attributable to common stockholders has been prepared as follows:

​

​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	Three Months Ended September 30,					​	Nine Months Ended September 30,					​
​		2021			2020			2021			2020		​
Net loss	​	$	(3,110)	​	$	(1,791)	​	$	(4,377)	​	$	(5,971)	​
Cumulative preferred stock dividends	​		(1,859)	​		(1,064)	​		(4,326)	​		(3,170)	​
Net loss attributable to common stockholders	​	$	(4,969)	​	$	(2,855)	​	$	(8,703)	​	$	(9,141)	​
Weighted-average common shares outstanding - basic and diluted	​		611,680	​		537,315	​		585,320	​		498,415	​
Total	​	$	(8.12)	​	$	(5.31)	​	$	(14.87)	​	$	(18.34)	​

​

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- References

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- Definition

The entire disclosure for earnings per share.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-URI http://asc.fasb.org/topic&trid=2144383

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257

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