Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Changes in Stockholders??? (Deficit) Equity

v3.23.1
Consolidated Statements of Changes in Stockholders’ (Deficit) Equity - USD ($)
$ in Thousands
Total
Underwritten Public Offering
ATM Agreement
Common stock
Common stock
Underwritten Public Offering
Common stock
ATM Agreement
Preferred Stock
Additional paid-in capital
 [1]
Additional paid-in capital
Underwritten Public Offering
 [1]
Additional paid-in capital
ATM Agreement
 [1]
Accumulated deficit
Balance at the beginning (in shares) at Dec. 31, 2020       6,250,344 [1]     1,257,143        
Balance at the beginning at Dec. 31, 2020 $ 24,562     $ 6 [1]     $ 1 $ 202,345     $ (177,790)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                      
Issuance of shares of common stock and pre-funded warrants in underwritten public offering, net (in shares) [1]       1,164,323              
Issuance of shares of common stock and pre-funded warrants in underwritten public offering, net 37,653     $ 1 [1]       37,652      
Issuance of stock (in shares) [1]         1,192,407 166,667          
Issuance of shares of common stock   $ 29,046 $ 5,230   $ 1 [1]       $ 29,045 $ 5,230  
Issuance of equity classified warrants related to venture debt financing agreement 861             861      
Conversion of preferred stock to common stock (in shares)       523,810 [1]     (1,257,143)        
Conversion of preferred stock to common stock 1     $ 1 [1]     $ (1) 1      
Exercise of stock options (in shares) [1]       48,385              
Exercise of stock options 1,567             1,567      
Exercise of pre-funded warrants (in shares) [1]       25,725              
Shares purchased through employee stock purchase plan (in shares) [1]       15,808              
Shares purchased through employee stock purchase plan 366             366      
Restricted stock units vested during the period (in shares) [1]       12,049              
Stock-based compensation 8,172             8,172      
Net loss (84,376)                   (84,376)
Balance at the end (in shares) at Dec. 31, 2021       9,399,518 [1]     0        
Balance at the end at Dec. 31, 2021 23,082     $ 9 [1]     $ 0 285,239     (262,166)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                      
Issuance of stock (in shares) [1]           5,438          
Issuance of shares of common stock     $ 34             $ 34  
Shares purchased through employee stock purchase plan (in shares) [1]       16,261              
Shares purchased through employee stock purchase plan 73             73      
Restricted stock units vested during the period (in shares) [1]       938              
Impact of reverse stock split fractional share round-up (in shares) [1]       8,380              
Stock-based compensation 7,554             7,554      
Net loss (41,658)                   (41,658)
Balance at the end (in shares) at Dec. 31, 2022       9,430,535 [1]     0        
Balance at the end at Dec. 31, 2022 $ (10,915)     $ 9 [1]     $ 0 $ 292,900     $ (303,824)
[1] Amounts for prior periods presented have been retroactively adjusted to reflect the 1-for-12 reverse stock split effected on July 7, 2022. See Note 1 for details.