Quarterly report pursuant to Section 13 or 15(d)

CONDENSED STATEMENTS OF STOCKHOLDERS' (DEFICIT) EQUITY

v3.23.1
CONDENSED STATEMENTS OF STOCKHOLDERS' (DEFICIT) EQUITY - USD ($)
$ in Thousands
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Loss
Accumulated Deficit
Total
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 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 (RSUs) (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, 2022 $ 174 1,368,822 (153) (1,382,459) (13,616)
Balance (in shares) at Dec. 31, 2022 173,398,645        
Increase (Decrease) in Stockholders' Equity          
Net loss       (13,536) (13,536)
Net unrealized gain (loss) on short-term investments     126   126
Issuance of common stock upon exercise of options   1     1
Issuance of common stock upon exercise of options (in shares) 952        
Issuance of common stock upon vesting of restricted stock units (RSUs) (in shares) 266,256        
Stock-based compensation expense   2,768     2,768
Balance at Mar. 31, 2023 $ 174 $ 1,371,591 $ (27) $ (1,395,995) $ (24,257)
Balance (in shares) at Mar. 31, 2023 173,665,853