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Selected Quarterly Financial Data (Unaudited) (Tables)
 12 Months Ended
Dec. 31, 2021
Quarterly Financial Information Disclosure [Abstract]  
Schedule of Quarterly Financial Information The following table contains quarterly financial information for 2021 and 2020. The Company believes that the following information reflects all normal recurring adjustments necessary for the fair statement of the information for the periods presented.

 

 

 

2021

 

 

 

First
Quarter

 

 

Second
Quarter

 

 

Third
Quarter

 

 

Fourth
Quarter

 

 

Total

 

 

 

(in thousands, except per share amounts)

 

Total operating expenses

 

$

11,410

 

 

$

13,687

 

 

$

12,431

 

 

$

10,121

 

 

$

47,649

 

Loss from operations

 

 

(11,410

)

 

 

(13,687

)

 

 

(12,431

)

 

 

(10,121

)

 

 

(47,649

)

Net loss

 

 

(11,636

)

 

 

(13,972

)

 

 

(12,692

)

 

 

(10,363

)

 

 

(48,663

)

Net loss attributable to common stockholders -
   basic and diluted

 

$

(0.21

)

 

$

(0.24

)

 

$

(0.17

)

 

$

(0.13

)

 

$

(0.72

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2020

 

 

 

First
Quarter

 

 

Second
Quarter

 

 

Third
Quarter

 

 

Fourth
Quarter

 

 

Total

 

 

 

(in thousands, except per share amounts)

 

Total operating expenses

 

$

7,524

 

 

$

6,559

 

 

$

7,918

 

 

$

9,985

 

 

$

31,986

 

Loss from operations

 

 

(7,524

)

 

 

(6,559

)

 

 

(7,918

)

 

 

(9,985

)

 

 

(31,986

)

Net loss

 

 

(7,585

)

 

 

(6,976

)

 

 

(8,026

)

 

 

(10,258

)

 

 

(32,845

)

Net loss attributable to common stockholders -
   basic and diluted

 

$

(0.31

)

 

$

(0.26

)

 

$

(0.22

)

 

$

(0.24

)

 

$

(1.01

)