Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (unaudited)

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CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (unaudited) - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
AOCI Attributable to Parent [Member]
Retained Earnings [Member]
Total
Beginning balance, value at Dec. 31, 2021 $ 3 $ 578,626 $ (92) $ (359,820) $ 218,717
Balance, at beginning (in shares) at Dec. 31, 2021 2,634,110        
Issuance of common stock in January and March 2022 under At-the-market offering, net of transactional expenses of $507 8,488 8,488
Issuance of common stock in January and March 2022 under At-the-market offering, net of transactional expenses of $507 (in shares) 172,276        
Issuance of common stock under 2021 Purchase Agreement 4,535 4,535
Issuance of common stock under 2021 Purchase Agreement (in shares) 110,000        
Employee stock purchase plan 40 40
Employee stock purchase plan (in shares) 646        
Stock-based compensation 2,620 2,620
Foreign currency transaction gain (26) (26)
Net loss (26,417) (26,417)
Ending balance, value at Mar. 31, 2022 $ 3 594,309 (118) (386,237) 207,957
Balance, at end (in shares) at Mar. 31, 2022 2,917,032        
Beginning balance, value at Dec. 31, 2021 $ 3 578,626 (92) (359,820) 218,717
Balance, at beginning (in shares) at Dec. 31, 2021 2,634,110        
Foreign currency transaction gain         (51)
Net loss         (49,557)
Ending balance, value at Jun. 30, 2022 $ 5 637,797 (143) (409,377) 228,282
Balance, at end (in shares) at Jun. 30, 2022 5,202,731        
Beginning balance, value at Mar. 31, 2022 $ 3 594,309 (118) (386,237) 207,957
Balance, at beginning (in shares) at Mar. 31, 2022 2,917,032        
Issuance of common stock in April, May and June 2022 under At-the-market offering, net of transactional expenses of $1,426 $ 2 42,966 42,968
Issuance of common stock in April, May and June 2022 under At-the-market offering, net of transactional expenses of $1,426 (in shares) 2,220,699        
Issuance of common stock under 2021 Purchase Agreement 1,964 1,964
Issuance of common stock under 2021 Purchase Agreement (in shares) 65,000        
Preferred stock deemed dividend (4,255) (4,255)
Stock-based compensation 2,813 2,813
Foreign currency transaction gain (25) (25)
Net loss (23,140) (23,140)
Ending balance, value at Jun. 30, 2022 $ 5 637,797 (143) (409,377) 228,282
Balance, at end (in shares) at Jun. 30, 2022 5,202,731        
Beginning balance, value at Dec. 31, 2022 $ 12 677,375 (167) (470,038) 207,182
Balance, at beginning (in shares) at Dec. 31, 2022 12,368,620        
Repurchase of common stock under share repurchase program, including transactional expenses of $334 $ (3) (13,962) (13,965)
Repurchase of common stock under share repurchase program (in shares) (2,672,044)        
Issuance of common stock under 2022 Purchase agreement with Lincoln Park 441 441
Issuance of common stock under 2022 Purchase agreement with Lincoln Park (in shares) 96,000        
Issuance of common stock net of transactional expenses of $101 $ 1 1,994 1,995
Issuance of common stock net of transactional expenses of $101 (in shares) 514,502        
Employee stock purchase plan 29 29
Employee stock purchase plan (in shares) 14,999        
Stock-based compensation 2,794 2,794
Foreign currency transaction gain (44) (44)
Net loss (33,005) (33,005)
Ending balance, value at Mar. 31, 2023 $ 10 682,633 (211) (517,005) 165,427
Balance, at end (in shares) at Mar. 31, 2023 10,322,077        
Beginning balance, value at Dec. 31, 2022 $ 12 677,375 (167) (470,038) 207,182
Balance, at beginning (in shares) at Dec. 31, 2022 12,368,620        
Foreign currency transaction gain         (45)
Net loss         (61,361)
Ending balance, value at Jun. 30, 2023 $ 11 686,025 (212) (545,361) 140,463
Balance, at end (in shares) at Jun. 30, 2023 10,762,341        
Beginning balance, value at Mar. 31, 2023 $ 10 682,633 (211) (517,005) 165,427
Balance, at beginning (in shares) at Mar. 31, 2023 10,322,077        
Issuance of common stock net of transactional expenses of $36 $ 1 1,028 1,029
Issuance of common stock net of transactional expenses of $36 (in shares) 440,264        
Stock-based compensation 2,364 2,364
Foreign currency transaction gain (1) (1)
Net loss (28,356) (28,356)
Ending balance, value at Jun. 30, 2023 $ 11 $ 686,025 $ (212) $ (545,361) $ 140,463
Balance, at end (in shares) at Jun. 30, 2023 10,762,341