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Note 15 - (Loss) Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
(Loss) income from continuing operations $ (797) $ 38,943 $ 25,158 $ 31,793
(Less) plus: net (income) loss from continuing operations attributable to noncontrolling interests (351) 1,191 (121) 1,084
Less: dividends on preferred stock 0 (77) (74) (234)
Numerator used in calculating basic (loss) earnings per share from continuing operations attributable to common shareholders (1,148) 40,057 24,963 32,643
Adjustment to add-back dividends on preferred stock 0 77 74 234
Adjustment for proportionate interest in Ravix, SNS and SPI's earnings attributable to common stock 0 (23) (77) 51
Numerator used in calculating diluted (loss) earnings per share from continuing operations attributable to common shareholders (1,148) 40,111 24,960 32,928
Income (loss) from discontinued operations 122 (1,670) 339 611
Less: net income from discontinued operations attributable to noncontrolling interests 0 (124) 0 (469)
Numerator used in calculating diluted (loss) earnings per share - net (loss) income attributable to common shareholders $ (1,026) $ 38,317 $ 25,299 $ 33,070
Weighted-average common shares outstanding (in shares) 26,239 22,960 25,206 22,909
Effect of potentially dilutive securities (a)        
Unvested restricted stock awards (in shares) [1] 0 641 735 560
Warrants (in shares) [1] 0 1,179 0 650
Convertible preferred stock (in shares) [1] 0 936 0 936
Total weighted-average diluted shares (in shares) 26,239 25,716 25,941 25,055
Continuing operations (in dollars per share) $ (0.04) $ 1.75 $ 0.99 $ 1.42
Discontinued operations (in dollars per share) 0 (0.08) 0.01 0.01
Basic (loss) earnings per share - net (loss) income attributable to common shareholders (in dollars per share) (0.04) 1.67 1 1.43
Continuing operations (in dollars per share) (0.04) 1.56 0.96 1.31
Discontinued operations (in dollars per share) 0 (0.07) 0.01 0.01
Diluted (loss) earnings per share - net (loss) income attributable to common shareholders (in dollars per share) $ (0.04) $ 1.49 $ 0.97 $ 1.32
[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.