Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Preferred Stock
Series A
Preferred Stock
Series B
Preferred Stock
Convertible preferred stock
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Total
Balance at beginning of period at Dec. 31, 2022 $ 49     $ 86 $ 1,306,271 $ (1,182,392) $ 124,014
Balance at beginning of period (in shares) at Dec. 31, 2022 984,000 2,000 5,000 11,454,000      
Increase (Decrease) in Stockholders' Equity              
Issuance of common stock related to 401(k) contribution         123   123
Issuance of common stock related to 401(k) contribution (in shares)       7,000      
Stock-based compensation expense         1,570   1,570
Preferred stock dividends         (1,368)   (1,368)
Net income (loss) and comprehensive income (loss)           (9,813) (9,813)
Balance at end of period at Mar. 31, 2023 $ 49     $ 86 1,306,596 (1,192,205) 114,526
Balance at end of period (in shares) at Mar. 31, 2023 984,000 2,000 5,000 11,461,000      
Balance at beginning of period at Dec. 31, 2022 $ 49     $ 86 1,306,271 (1,182,392) 124,014
Balance at beginning of period (in shares) at Dec. 31, 2022 984,000 2,000 5,000 11,454,000      
Increase (Decrease) in Stockholders' Equity              
Net income (loss) and comprehensive income (loss)             (15,213)
Balance at end of period at Jun. 30, 2023 $ 49     $ 86 1,307,594 (1,197,605) 110,124
Balance at end of period (in shares) at Jun. 30, 2023 984,000 2,000 5,000 11,472,000      
Balance at beginning of period at Dec. 31, 2022 $ 49     $ 86 1,306,271 (1,182,392) 124,014
Balance at beginning of period (in shares) at Dec. 31, 2022 984,000 2,000 5,000 11,454,000      
Balance at end of period at Dec. 31, 2023 $ 49     $ 86 1,311,809 (1,223,223) 88,721
Balance at end of period (in shares) at Dec. 31, 2023 984,000 2,000 5,000 11,495,000      
Balance at beginning of period at Mar. 31, 2023 $ 49     $ 86 1,306,596 (1,192,205) 114,526
Balance at beginning of period (in shares) at Mar. 31, 2023 984,000 2,000 5,000 11,461,000      
Increase (Decrease) in Stockholders' Equity              
Exercise of stock options         153   153
Exercise of stock options (in shares)       8,000      
Issuance of common stock related to ESPP         50   50
Issuance of common stock related to ESPP (in shares)       3,000      
Stock-based compensation expense         2,163   2,163
Preferred stock dividends         (1,368)   (1,368)
Net income (loss) and comprehensive income (loss)           (5,400) (5,400)
Balance at end of period at Jun. 30, 2023 $ 49     $ 86 1,307,594 (1,197,605) 110,124
Balance at end of period (in shares) at Jun. 30, 2023 984,000 2,000 5,000 11,472,000      
Balance at beginning of period at Dec. 31, 2023 $ 49     $ 86 1,311,809 (1,223,223) 88,721
Balance at beginning of period (in shares) at Dec. 31, 2023 984,000 2,000 5,000 11,495,000      
Increase (Decrease) in Stockholders' Equity              
Exercise of stock options       $ 1 621   622
Exercise of stock options (in shares)       135,000      
Issuance of common stock related to 401(k) contribution         118   118
Issuance of common stock related to 401(k) contribution (in shares)       7,000      
Stock-based compensation expense         2,856   2,856
Preferred stock dividends         (1,368)   (1,368)
Repurchase of common stock           (13) (13)
Repurchase of common stock (in shares)       (1,000)      
Net income (loss) and comprehensive income (loss)           (8,595) (8,595)
Balance at end of period at Mar. 31, 2024 $ 49     $ 87 1,314,036 (1,231,831) 82,341
Balance at end of period (in shares) at Mar. 31, 2024 984,000 2,000 5,000 11,636,000      
Balance at beginning of period at Dec. 31, 2023 $ 49     $ 86 1,311,809 (1,223,223) $ 88,721
Balance at beginning of period (in shares) at Dec. 31, 2023 984,000 2,000 5,000 11,495,000      
Increase (Decrease) in Stockholders' Equity              
Exercise of stock options (in shares)             149,759
Repurchase of common stock             $ (13)
Repurchase of common stock (in shares)             (660)
Net income (loss) and comprehensive income (loss)             $ 7,390
Balance at end of period at Jun. 30, 2024 $ 49     $ 87 1,315,703 (1,215,846) 99,993
Balance at end of period (in shares) at Jun. 30, 2024 984,000 2,000 5,000 11,658,000      
Balance at beginning of period at Mar. 31, 2024 $ 49     $ 87 1,314,036 (1,231,831) 82,341
Balance at beginning of period (in shares) at Mar. 31, 2024 984,000 2,000 5,000 11,636,000      
Increase (Decrease) in Stockholders' Equity              
Exercise of stock options         250   250
Exercise of stock options (in shares)       15,000      
Issuance of common stock related to ESPP         95   95
Issuance of common stock related to ESPP (in shares)       7,000      
Stock-based compensation expense         2,690   2,690
Preferred stock dividends         (1,368)   $ (1,368)
Repurchase of common stock (in shares)             0
Net income (loss) and comprehensive income (loss)           15,985 $ 15,985
Balance at end of period at Jun. 30, 2024 $ 49     $ 87 $ 1,315,703 $ (1,215,846) $ 99,993
Balance at end of period (in shares) at Jun. 30, 2024 984,000 2,000 5,000 11,658,000