Quarterly report [Sections 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 Other Comprehensive Income
Accumulated Deficit
Total
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)             (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, 2024 $ 49     $ 90 1,318,766 $ 73 (1,237,057) 81,921
Balance at beginning of period (in shares) at Dec. 31, 2024 984,000 2,000 5,000 11,952,000        
Increase (Decrease) in Stockholders' Equity                
Exercise of stock options         85     $ 85
Exercise of stock options (in shares)       21,000       21,000
Issuance of common stock related to 401(k) contribution         141     $ 141
Issuance of common stock related to 401(k) contribution (in shares)       5,000        
Stock-based compensation expense         1,983     1,983
Preferred stock dividends         (1,368)     (1,368)
Repurchase of common stock             (545) $ (545)
Repurchase of common stock (in shares)       (25,000)       (25,828)
Net unrealized gain on available-for-sale debt securities           45   $ 45
Net Income (Loss)             2,367 2,367
Balance at end of period at Mar. 31, 2025 $ 49     $ 90 $ 1,319,607 $ 118 $ (1,235,235) $ 84,629
Balance at end of period (in shares) at Mar. 31, 2025 984,000 2,000 5,000 11,953,000