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Note 26 - Earnings (Loss) Per Common Share - Schedule of Anti-Dilutive Securities (Details) - shares | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Antidilutive securities excluded from computation of earnings per share (in shares) |  | 1,468,218 | 1,413,155
Contingent Convertible Senior Notes 8.00% (2017 Convertible Note) [Member] |  |  |
Antidilutive securities excluded from computation of earnings per share (in shares) |  | 1,034,483 | 1,034,483
Contingent Convertible Senior Notes 8% (2013 Convertible Notes) [Member |  |  |
Antidilutive securities excluded from computation of earnings per share (in shares) |  | 414,882 | 352,292
Restricted Stock [Member] |  |  |
Antidilutive securities excluded from computation of earnings per share (in shares) |  | 15,101 | 26,380
Restricted Operating LLC Units [Member] |  |  |
Antidilutive securities excluded from computation of earnings per share (in shares) |  | 3,752 |

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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