Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

v3.22.1
CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Preferred Stock
8.625% Series A Cumulative, Perpetual Preferred Stock
Preferred Stock
8.375% Series B Cumulative, Perpetual Preferred Stock
Preferred Stock
Convertible preferred stock
Common Stock
Additional Paid-In Capital [Member]
Accumulated Deficit [Member]
Total
Balance at beginning of period at Dec. 31, 2020 $ 49     $ 84 $ 1,267,377 $ (1,181,086) $ 86,424
Balance at beginning of period (in shares) at Dec. 31, 2020 984,000   5,000 11,229,000      
Increase (Decrease) in Stockholders' Equity              
Exercise of stock options         388   388
Exercise of stock options (in shares)       24,000      
Issuance of common stock related to 401(k) contribution         90   90
Issuance of common stock related to 401(k) contribution (in shares)       2,000      
Stock-based compensation expense         2,898   2,898
Preferred stock dividends         (707)   (707)
Net loss and comprehensive loss           (7,373) (7,373)
Exercise of common stock warrants (in shares)       5,000      
Balance at end of period at Mar. 31, 2021 $ 49     $ 84 1,270,046 (1,188,459) 81,720
Balance at end of period (in shares) at Mar. 31, 2021 984,000   5,000 11,260,000      
Balance at beginning of period at Dec. 31, 2021 $ 49     $ 85 1,307,030 (1,165,288) 141,876
Balance at beginning of period (in shares) at Dec. 31, 2021 984,000 2,000 5,000 11,315,000      
Increase (Decrease) in Stockholders' Equity              
Exercise of stock options       $ 1 632   $ 633
Exercise of stock options (in shares)       91,000     90,811
Issuance of common stock related to 401(k) contribution         85   $ 85
Issuance of common stock related to 401(k) contribution (in shares)       4,000      
Stock-based compensation expense         978   978
Preferred stock dividends         (1,368)   (1,368)
Net loss and comprehensive loss           (2,280) (2,280)
Balance at end of period at Mar. 31, 2022 $ 49     $ 86 $ 1,307,357 $ (1,167,568) $ 139,924
Balance at end of period (in shares) at Mar. 31, 2022 984,000 2,000 5,000 11,410,000