Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Preferred stock, par value (in dollars per share) $ 0.05 $ 0.05
Preferred stock, shares authorized (in shares) 1,000,000 1,000,000
Common stock, par value (in dollars per share) $ 0.0075 $ 0.0075
Common stock, shares authorized (in shares) 277,333,332 277,333,332
Common stock, shares issued (in shares) 11,409,935 11,315,263
Common stock, shares outstanding (in shares) 11,409,935 11,315,263
8.625% Series A Cumulative, Perpetual Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.05 $ 0.05
Preferred stock, shares authorized (in shares) 984,000 984,000
Preferred stock, dividend rate (as a percent) 8.625% 8.625%
Preferred stock, shares issued (in shares) 984,000 984,000
Preferred stock, shares outstanding (in shares) 984,000 984,000
8.375% Series B Cumulative, Perpetual Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.05 $ 0.05
Preferred stock, shares authorized (in shares) 3,600 3,600
Preferred stock, dividend rate (as a percent) 8.375% 8.375%
Preferred stock, shares issued (in shares) 1,600 1,600
Preferred stock, shares outstanding (in shares) 1,600 1,600
Convertible preferred stock    
Preferred stock, shares issued (in shares) 5,003 5,003
Preferred stock, shares outstanding (in shares) 5,003 5,003