Quarterly report pursuant to Section 13 or 15(d)

CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT)

v3.22.2.2
CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) - USD ($)
$ in Thousands
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Loss
Accumulated Deficit
Total
Balance at Dec. 31, 2020 $ 169 $ 1,339,833 $ (4) $ (1,305,972) $ 34,026
Balance (in shares) at Dec. 31, 2020 169,316,782        
Increase (Decrease) in Stockholders' Equity          
Net income (loss)       39,500 39,500
Net unrealized gain (loss) on short-term investments     3   3
Issuance of common stock upon exercise of options $ 1 2,096     2,097
Issuance of common stock upon exercise of options (in shares) 813,854        
Stock-based compensation expense   2,672     2,672
Balance at Mar. 31, 2021 $ 170 1,344,601 (1) (1,266,472) 78,298
Balance (in shares) at Mar. 31, 2021 170,130,636        
Balance at Dec. 31, 2020 $ 169 1,339,833 (4) (1,305,972) 34,026
Balance (in shares) at Dec. 31, 2020 169,316,782        
Increase (Decrease) in Stockholders' Equity          
Net income (loss)         4,727
Net unrealized gain (loss) on short-term investments         12
Balance at Sep. 30, 2021 $ 171 1,350,736 8 (1,301,245) 49,670
Balance (in shares) at Sep. 30, 2021 170,969,748        
Balance at Mar. 31, 2021 $ 170 1,344,601 (1) (1,266,472) 78,298
Balance (in shares) at Mar. 31, 2021 170,130,636        
Increase (Decrease) in Stockholders' Equity          
Net income (loss)       (13,821) (13,821)
Net unrealized gain (loss) on short-term investments     8   8
Issuance of common stock upon exercise of options $ 1 1,318     1,319
Issuance of common stock upon exercise of options (in shares) 711,847        
Stock-based compensation expense   2,306     2,306
Balance at Jun. 30, 2021 $ 171 1,348,225 7 (1,280,293) 68,110
Balance (in shares) at Jun. 30, 2021 170,842,483        
Increase (Decrease) in Stockholders' Equity          
Net income (loss)       (20,952) (20,952)
Net unrealized gain (loss) on short-term investments     1   1
Issuance of common stock upon exercise of options   274     274
Issuance of common stock upon exercise of options (in shares) 127,265        
Stock-based compensation expense   2,237     2,237
Balance at Sep. 30, 2021 $ 171 1,350,736 8 (1,301,245) 49,670
Balance (in shares) at Sep. 30, 2021 170,969,748        
Balance at Dec. 31, 2021 $ 172 1,354,190 (102) (1,323,886) 30,374
Balance (in shares) at Dec. 31, 2021 171,602,226        
Increase (Decrease) in Stockholders' Equity          
Net income (loss)       (27,445) (27,445)
Net unrealized gain (loss) on short-term investments     (314)   (314)
Issuance of common stock upon exercise of options   940     940
Issuance of common stock upon exercise of options (in shares) 420,521        
Issuance of common stock upon vesting of restricted stock units (in shares) 22,500        
Stock-based compensation expense   3,243     3,243
Balance at Mar. 31, 2022 $ 172 1,358,373 (416) (1,351,331) 6,798
Balance (in shares) at Mar. 31, 2022 172,045,247        
Balance at Dec. 31, 2021 $ 172 1,354,190 (102) (1,323,886) 30,374
Balance (in shares) at Dec. 31, 2021 171,602,226        
Increase (Decrease) in Stockholders' Equity          
Net income (loss)         (59,974)
Net unrealized gain (loss) on short-term investments         (184)
Balance at Sep. 30, 2022 $ 173 1,364,139 (286) (1,383,860) (19,834)
Balance (in shares) at Sep. 30, 2022 172,836,336        
Balance at Mar. 31, 2022 $ 172 1,358,373 (416) (1,351,331) 6,798
Balance (in shares) at Mar. 31, 2022 172,045,247        
Increase (Decrease) in Stockholders' Equity          
Net income (loss)       (13,492) (13,492)
Net unrealized gain (loss) on short-term investments     (22)   (22)
Issuance of common stock upon exercise of options $ 1 598     599
Issuance of common stock upon exercise of options (in shares) 609,839        
Issuance of common stock upon vesting of restricted stock units (in shares) 181,250        
Stock-based compensation expense   2,440     2,440
Balance at Jun. 30, 2022 $ 173 1,361,411 (438) (1,364,823) (3,677)
Balance (in shares) at Jun. 30, 2022 172,836,336        
Increase (Decrease) in Stockholders' Equity          
Net income (loss)       (19,037) (19,037)
Net unrealized gain (loss) on short-term investments     152   152
Stock-based compensation expense   2,728     2,728
Balance at Sep. 30, 2022 $ 173 $ 1,364,139 $ (286) $ (1,383,860) $ (19,834)
Balance (in shares) at Sep. 30, 2022 172,836,336