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Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock [Member]
Treasury Stock-Common [Member]
Preferred Stock [Member]
Capital in Excess of Par Value [Member]
Retained Earnings (Accumulated Deficit) [Member]
Balance at Dec. 31, 2018 $ 342,197 $ 3,972 $ (16,186) $ 3,000 $ 197,638 $ 153,773
Balance, shares at Dec. 31, 2018   39,725,000 (2,438,000)      
Net income (loss) (63,417)         (63,417)
Dividend accrued on redeemable preferred stock (30,729)         (30,729)
Accretion of redeemable preferred stock (1,995)         (1,995)
Stock-based compensation 2,220       2,220  
Restricted stock granted from treasury stock (949) $ 18 $ 2,920   (3,887)  
Restricted stock granted from treasury stock, shares   176,000 428,000      
Balance at Dec. 31, 2019 247,327 $ 3,990 $ (13,266) 3,000 195,971 57,632
Balance, shares at Dec. 31, 2019   39,901,000 (2,010,000)      
Net income (loss) (61,911)         (61,911)
Dividend accrued on redeemable preferred stock (35,182)         (35,182)
Accretion of redeemable preferred stock (2,026)         (2,026)
Stock-based compensation 1,761       1,761  
Other (326) $ 3 $ 53   (382)  
Other, Shares   25,000 (65,000)      
Balance at Dec. 31, 2020 149,643 $ 3,993 $ (13,213) 3,000 197,350 (41,487)
Balance, shares at Dec. 31, 2020   39,926,000 (2,075,000)      
Net income (loss) 43,545         43,545
Issuance of common stock in exchange for redeemable preferred stocks 531,139 $ 4,907     526,232  
Issuance of common stock in exchange for redeemable preferred stocks, shares   49,066,000        
Deemed dividend on redeemable preferred stocks (231,812)       (231,812)  
Dividend accrued on redeemable preferred stock (29,914)         (29,914)
Accretion of redeemable preferred stock (1,523)         (1,523)
Dividend paid on non-redeemable preferred stock upon conversion (1,876)         (1,876)
Conversion of non-redeemable preferred stock into common stock   $ 119   $ (3,000) 2,881  
Conversion of non-redeemable preferred stock into common stock, shares   1,192,000        
Stock-based compensation 5,516       5,516  
Restricted stock granted from treasury stock (4,228) $ 98 $ 2,680   (7,006)  
Restricted stock granted from treasury stock, shares   984,000 700,000      
Balance at Dec. 31, 2021 $ 460,490 $ 9,117 $ (10,533)   $ 493,161 $ (31,255)
Balance, shares at Dec. 31, 2021   91,168,000 (1,375,000)