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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Thousands
Common stock
Additional Paid in Capital
Accumulated Deficit
Total
Beginning Balance at Dec. 31, 2020 $ 24 $ 345,529 $ (138,857) $ 206,696
Beginning Balance (in shares) at Dec. 31, 2020 24,417      
Stock-based compensation   5,565   5,565
Exercise of stock options $ 1 851   852
Exercise of stock options (in shares) 214      
Net loss     (26,376) (26,376)
Ending Balance at Mar. 31, 2021 $ 25 351,945 (165,233) 186,737
Ending Balance (in shares) at Mar. 31, 2021 24,631      
Beginning Balance at Dec. 31, 2020 $ 24 345,529 (138,857) 206,696
Beginning Balance (in shares) at Dec. 31, 2020 24,417      
Net loss       (53,995)
Ending Balance at Jun. 30, 2021 $ 28 460,235 (192,852) 267,411
Ending Balance (in shares) at Jun. 30, 2021 27,969      
Beginning Balance at Mar. 31, 2021 $ 25 351,945 (165,233) 186,737
Beginning Balance (in shares) at Mar. 31, 2021 24,631      
Stock-based compensation   6,769   6,769
Issuance of common stock, net of issuance costs $ 3 101,024   101,027
Issuance of common stock, net of issuance costs (in shares) 3,279      
Exercise of stock options   497   497
Exercise of stock options (in shares) 59      
Net loss     (27,619) (27,619)
Ending Balance at Jun. 30, 2021 $ 28 460,235 (192,852) 267,411
Ending Balance (in shares) at Jun. 30, 2021 27,969      
Beginning Balance at Dec. 31, 2021 $ 28 467,427 (245,788) $ 221,667
Beginning Balance (in shares) at Dec. 31, 2021 27,980     27,980
Stock-based compensation   3,825   $ 3,825
Net loss     (31,472) (31,472)
Ending Balance at Mar. 31, 2022 $ 28 471,252 (277,260) 194,020
Ending Balance (in shares) at Mar. 31, 2022 27,980      
Beginning Balance at Dec. 31, 2021 $ 28 467,427 (245,788) $ 221,667
Beginning Balance (in shares) at Dec. 31, 2021 27,980     27,980
Net loss       $ (69,142)
Ending Balance at Jun. 30, 2022 $ 28 479,164 (314,930) $ 164,262
Ending Balance (in shares) at Jun. 30, 2022 28,018     28,018
Beginning Balance at Mar. 31, 2022 $ 28 471,252 (277,260) $ 194,020
Beginning Balance (in shares) at Mar. 31, 2022 27,980      
Stock-based compensation   4,482   4,482
Issuance of stock purchase warrants   3,245   3,245
Exercise of stock options   185   185
Exercise of stock options (in shares) 38      
Net loss     (37,670) (37,670)
Ending Balance at Jun. 30, 2022 $ 28 $ 479,164 $ (314,930) $ 164,262
Ending Balance (in shares) at Jun. 30, 2022 28,018     28,018