Annual report pursuant to Section 13 and 15(d)

Consolidated Statement of Stockholders' Equity

v3.21.1
Consolidated Statement of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Loss [Member]
Accumulated Deficit [Member]
Balance at beginning of period at Dec. 31, 2018 $ 170,418 $ 6 $ 693,534 $ (58) $ (523,064)
Balance at beginning of period (in shares) at Dec. 31, 2018   59,456,493      
Issuance of common stock, net of $7,254 issuance costs 386   386    
Issuance of common stock, net of $7,254 issuance costs (Shares)   225,966      
Stock-based compensation expense 10,468   10,468    
Issuance costs of common stock, net of issuance costs, value 107,746 $ 1 107,745    
Issuance of common stock, (in shares)   9,200,000      
Net loss (102,808)       (102,808)
Net unrealized gain (loss) on marketable securities 138     138  
Balance at end of period at Dec. 31, 2019 186,348 $ 7 812,133 80 (625,872)
Balance at end of period (in shares) at Dec. 31, 2019   68,882,459      
Issuance of common stock, net of $7,254 issuance costs $ 92   92    
Issuance of common stock, net of $7,254 issuance costs (Shares) 63,633 63,633      
Stock-based compensation expense $ 7,324   7,324    
Net loss (50,986)       (50,986)
Net unrealized gain (loss) on marketable securities (72)     (72)  
Balance at end of period at Dec. 31, 2020 $ 142,706 $ 7 $ 819,549 $ 8 $ (676,858)
Balance at end of period (in shares) at Dec. 31, 2020   68,946,092