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Note 15 - Earnings (Loss) per Share - Schedule of Earnings per Share, Basic and Diluted (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Income (loss) from continuing operations $ 27,732 $ (3,999)
Plus: net loss from continuing operations attributable to noncontrolling interests 3 73
Less: dividends on preferred stock (69) (78)
Numerator used in calculating basic earnings (loss) per share from continuing operations attributable to common shareholders 27,666 (4,004)
Adjustment to add-back dividends on preferred stock 69 0
Adjustment for proportionate interest in Ravix and SNS's earnings attributable to common stock (50) 0
Numerator used in calculating diluted earnings (loss) per share from continuing operations attributable to common shareholders 27,685 (4,004)
Income from discontinued operations 107 1,495
Less: net income from discontinued operations attributable to noncontrolling interests 0 (222)
Numerator used in calculating diluted earnings (loss) per share - net income (loss) attributable to common shareholders $ 27,792 $ (2,731)
Weighted average common shares outstanding (in shares) 24,061 22,883
Effect of potentially dilutive securities (a)    
Unvested restricted stock awards (in shares) [1] 789 0
Warrants (in shares) [1] 1,382 0
Convertible preferred stock (in shares) [1] 187 0
Total weighted average diluted shares (in shares) 26,419 22,883
Continuing operations (in dollars per share) $ 1.15 $ (0.17)
Discontinued operations (in dollars per share) 0 0.05
Basic earnings (loss) per share - net income (loss) attributable to common shareholders (in dollars per share) 1.15 (0.12)
Continuing operations (in dollars per share) 1.05 (0.17)
Discontinued operations (in dollars per share) 0 0.05
Diluted earnings (loss) per share - net income (loss) attributable to common shareholders (in dollars per share) $ 1.05 $ (0.12)
[1] Potentially dilutive securities consist of unvested restricted stock awards and warrants, calculated using the treasury stock method, and convertible preferred stock, using the if-converted method. Because the Company is reporting a loss from continuing operations attributable to common shareholders for the three and nine months ended September 30, 2021, all potentially dilutive securities outstanding were excluded from the calculation of diluted loss from continuing operations per share since their inclusion would have been anti-dilutive.