Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Changes in Stockholder's Equity (Unaudited)

v3.21.2
Condensed Consolidated Statements of Changes in Stockholder's Equity (Unaudited) - USD ($)
$ in Thousands
Total
Common stock
Preferred Stock
Additional paid in capital
Accumulated deficit
Balance at the beginning (in shares) at Dec. 31, 2019   44,384,222 2,857,143    
Balance at the beginning at Dec. 31, 2019 $ 20,995 $ 44 $ 3 $ 135,239 $ (114,291)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Conversion of preferred stock to common stock (in shares)   8,000,000      
Balance at the end (in shares) at Mar. 31, 2020   59,560,252 1,257,143    
Balance at the end at Mar. 31, 2020 25,588 $ 59 $ 1 160,936 (135,408)
Balance at the beginning (in shares) at Dec. 31, 2019   44,384,222 2,857,143    
Balance at the beginning at Dec. 31, 2019 20,995 $ 44 $ 3 135,239 (114,291)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of shares of common stock in underwritten public offering, net of offering costs (in shares)   15,180,000      
Issuance of shares of common stock and pre-funded warrants in underwritten public offering, net 35,428 $ 15   35,413  
Conversion of preferred stock to common stock (in shares)   8,000,000 (1,600,000)    
Conversion of preferred stock to common stock 0 $ 8 $ (2) (6)  
Issuance of shares related to Aevi Merger (in shares)   3,893,361      
Issuance of shares related to Aevi Merger 15,496 $ 4   15,492  
Issuance of shares pursuant to registered direct offering, net of offering costs (in shares)   1,306,282      
Issuance of shares pursuant to registered direct offering, net of offering costs 5,136 $ 1   5,135  
Issuance of shares pursuant to common stock private placement, net of offering costs (in shares)   1,951,219      
Issuance of shares pursuant to common stock private placement, net of offering costs 3,888 $ 2   3,886  
Exercise of stock options and warrants (in shares)   50,239      
Exercise of stock options 92     92  
Restricted Stock Units vested during period (in shares)   111,667      
Restricted Stock Units withheld for taxes (in shares)   (35,279)      
Restricted Stock Units withheld for taxes (94)     (94)  
Shares purchased through employee stock purchase plan (in shares)   58,336      
Shares purchased through employee stock purchase plan 133     133  
Stock-based compensation 3,902     3,902  
Net loss (34,398)       (34,398)
Balance at the end (in shares) at Jun. 30, 2020   74,900,047 1,257,143    
Balance at the end at Jun. 30, 2020 50,578 $ 74 $ 1 199,192 (148,689)
Balance at the beginning (in shares) at Mar. 31, 2020   59,560,252 1,257,143    
Balance at the beginning at Mar. 31, 2020 25,588 $ 59 $ 1 160,936 (135,408)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of shares of common stock in underwritten public offering, net of offering costs (in shares)   15,180,000      
Issuance of shares of common stock and pre-funded warrants in underwritten public offering, net 35,428 $ 15   35,413  
Exercise of stock options and warrants (in shares)   25,071      
Exercise of stock options 18     18  
Restricted Stock Units vested during period (in shares)   111,667      
Restricted Stock Units withheld for taxes (in shares)   (35,279)      
Restricted Stock Units withheld for taxes (94)     (94)  
Shares purchased through employee stock purchase plan (in shares)   58,336      
Shares purchased through employee stock purchase plan 133     133  
Stock-based compensation 2,786     2,786  
Net loss (13,281)       (13,281)
Balance at the end (in shares) at Jun. 30, 2020   74,900,047 1,257,143    
Balance at the end at Jun. 30, 2020 50,578 $ 74 $ 1 199,192 (148,689)
Balance at the beginning (in shares) at Dec. 31, 2020   75,004,127 1,257,143    
Balance at the beginning at Dec. 31, 2020 24,562 $ 75 $ 1 202,276 (177,790)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of shares of common stock in underwritten public offering, net of offering costs (in shares)   13,971,889      
Issuance of shares of common stock and pre-funded warrants in underwritten public offering, net 37,653 $ 14   37,639  
Conversion of preferred stock to common stock (in shares)   6,285,715 (1,257,143)    
Conversion of preferred stock to common stock 0 $ 6 $ (1) (5)  
Exercise of stock options and warrants (in shares)   580,617      
Exercise of stock options 1,568 $ 1   1,567  
Restricted Stock Units vested during period (in shares)   77,917      
Shares purchased through employee stock purchase plan (in shares)   88,686      
Shares purchased through employee stock purchase plan 207     207  
Issuance of equity classified warrants related to venture debt financing agreement 861     861  
Stock-based compensation 4,522     4,522  
Net loss (47,785)       (47,785)
Balance at the end (in shares) at Jun. 30, 2021   96,008,951 0    
Balance at the end at Jun. 30, 2021 21,588 $ 96 $ 0 247,067 (225,575)
Balance at the beginning (in shares) at Mar. 31, 2021   89,104,816 1,257,143    
Balance at the beginning at Mar. 31, 2021 33,155 $ 89 $ 1 241,535 (208,470)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Conversion of preferred stock to common stock (in shares)   6,285,715 (1,257,143)    
Conversion of preferred stock to common stock 0 $ 6 $ (1) (5)  
Exercise of stock options and warrants (in shares)   451,817      
Exercise of stock options 1,396 $ 1   1,395  
Restricted Stock Units vested during period (in shares)   77,917      
Shares purchased through employee stock purchase plan (in shares)   88,686      
Shares purchased through employee stock purchase plan 207     207  
Issuance of equity classified warrants related to venture debt financing agreement 861     861  
Stock-based compensation 3,074     3,074  
Net loss (17,105)       (17,105)
Balance at the end (in shares) at Jun. 30, 2021   96,008,951 0    
Balance at the end at Jun. 30, 2021 $ 21,588 $ 96 $ 0 $ 247,067 $ (225,575)