Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

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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, 2019       $ 73 $ 1,238,299 $ (1,194,384) $ 43,988
Balance at beginning of period (in shares) at Dec. 31, 2019     6,000 9,759,000      
Increase (Decrease) in Stockholders' Equity              
Issuance of stock $ 49       22,572   22,621
Issuance of stock, net (in shares) 984,000            
Issuance of common stock related to Series Y preferred stock conversion       $ 10 (10)    
Issuance of common stock related to Series Y preferred stock conversion (in shares)     (1,000) 1,253,000      
Stock-based compensation expense         3,961   3,961
Exercise of stock options       $ 1 2,406   2,407
Exercise of stock options (in shares)       211,000      
Issuance of common stock related to 401(k) contribution and ESPP         136   136
Issuance of common stock related to 401(k) contribution and ESPP (in shares)       6,000      
Disgorgement of stockholder's short-swing profits         13   13
Net income and comprehensive income           13,298 13,298
Balance at end of period at Dec. 31, 2020 $ 49     $ 84 1,267,377 (1,181,086) 86,424
Balance at end of period (in shares) at Dec. 31, 2020 984,000   5,000 11,229,000      
Increase (Decrease) in Stockholders' Equity              
Issuance of stock         37,140   37,140
Issuance of stock, net (in shares)   2,000          
Preferred stock dividends         (4,867)   (4,867)
Stock-based compensation expense         6,195   6,195
Exercise of stock options       $ 1 1,052   $ 1,053
Exercise of stock options (in shares)       77,000     77,305
Exercise of common stock warrants (in shares)       5,000      
Issuance of common stock related to 401(k) contribution and ESPP         133   $ 133
Issuance of common stock related to 401(k) contribution and ESPP (in shares)       4,000      
Net income and comprehensive income           15,798 15,798
Balance at end of period at Dec. 31, 2021 $ 49     $ 85 $ 1,307,030 $ (1,165,288) $ 141,876
Balance at end of period (in shares) at Dec. 31, 2021 984,000 2,000 5,000 11,315,000