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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Loss
Accumulated Deficit
Total
Balance at beginning at Dec. 31, 2021 $ 35 $ 548,204 $ (35) $ (376,130) $ 172,074
Balance at beginning (in shares) at Dec. 31, 2021 35,209,099        
Increase (decrease) in Stockholders' Equity          
Unrealized gain (loss) on marketable securities     (117)   (117)
Exercise of stock options   481     481
Exercise of stock options (in shares) 42,129        
Issuance of common shares upon RSU vesting (in shares) 49,595        
Equity-based compensation expense   6,828     6,828
Net Loss       (7,950) (7,950)
Balance at end at Mar. 31, 2022 $ 35 555,513 (152) (384,080) 171,316
Balance at end (in shares) at Mar. 31, 2022 35,300,823        
Balance at beginning at Dec. 31, 2021 $ 35 548,204 (35) (376,130) 172,074
Balance at beginning (in shares) at Dec. 31, 2021 35,209,099        
Increase (decrease) in Stockholders' Equity          
Unrealized gain (loss) on marketable securities         (44)
Net Loss         (51,950)
Balance at end at Jun. 30, 2022 $ 52 757,614 (79) (428,080) 329,507
Balance at end (in shares) at Jun. 30, 2022 51,638,247        
Balance at beginning at Mar. 31, 2022 $ 35 555,513 (152) (384,080) 171,316
Balance at beginning (in shares) at Mar. 31, 2022 35,300,823        
Increase (decrease) in Stockholders' Equity          
Unrealized gain (loss) on marketable securities     73   73
Sale of common shares and pre-funded warrants, net of issuance costs $ 16 195,309     195,325
Sale of common shares and pre-funded warrants, net of issuance costs (in shares) 16,326,530        
Exercise of stock options $ 1 1     2
Exercise of stock options (in shares) 263        
Issuance of common shares upon RSU vesting (in shares) 10,631        
Equity-based compensation expense   6,791     6,791
Net Loss       (44,000) (44,000)
Balance at end at Jun. 30, 2022 $ 52 757,614 (79) (428,080) 329,507
Balance at end (in shares) at Jun. 30, 2022 51,638,247        
Balance at beginning at Dec. 31, 2022 $ 52 771,699 (884) (510,632) 260,235
Balance at beginning (in shares) at Dec. 31, 2022 51,672,579        
Increase (decrease) in Stockholders' Equity          
Unrealized gain (loss) on marketable securities     555   555
Sale of common shares, net of issuance costs   827     827
Sale of common shares, net of issuance costs (in shares) 68,696        
Exercise of stock options   243     243
Exercise of stock options (in shares) 28,706        
Issuance of common shares upon RSU vesting (in shares) 219,378        
Equity-based compensation expense   6,170     6,170
Other   2     2
Net Loss       (39,379) (39,379)
Balance at end at Mar. 31, 2023 $ 52 778,941 (329) (550,011) 228,653
Balance at end (in shares) at Mar. 31, 2023 51,989,359        
Balance at beginning at Dec. 31, 2022 $ 52 771,699 (884) (510,632) 260,235
Balance at beginning (in shares) at Dec. 31, 2022 51,672,579        
Increase (decrease) in Stockholders' Equity          
Unrealized gain (loss) on marketable securities         821
Net Loss         (77,304)
Balance at end at Jun. 30, 2023 $ 55 790,445 (63) (587,936) 202,501
Balance at end (in shares) at Jun. 30, 2023 55,159,787        
Balance at beginning at Mar. 31, 2023 $ 52 778,941 (329) (550,011) 228,653
Balance at beginning (in shares) at Mar. 31, 2023 51,989,359        
Increase (decrease) in Stockholders' Equity          
Unrealized gain (loss) on marketable securities     266   266
Sale of common shares, net of issuance costs $ 1 4,395     4,396
Sale of common shares, net of issuance costs (in shares) 550,594        
Exercise of stock options   292     292
Exercise of stock options (in shares) 53,333        
Issuance of common shares upon RSU vesting (in shares) 273,035        
Exercise of warrants $ 2 (2)      
Exercise of warrants (in shares) 2,293,466        
Equity-based compensation expense   6,818     6,818
Other   1     1
Net Loss       (37,925) (37,925)
Balance at end at Jun. 30, 2023 $ 55 $ 790,445 $ (63) $ (587,936) $ 202,501
Balance at end (in shares) at Jun. 30, 2023 55,159,787