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Note 5 - Income (Loss) Per Common Share (Tables) | 6 Months Ended
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Jun. 30, 2021
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Numerator |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | $ | 785 |  |  | $ | (14,028 | ) |  | $ | 19,756 |  |  | $ | (31,213 | )
Preferred stock dividends |  |  | (138 | ) |  |  | (138 | ) |  |  | (276 | ) |  |  | (276 | )
Net income (loss) applicable to common shares |  | $ | 647 |  |  | $ | (14,166 | ) |  | $ | 19,480 |  |  | $ | (31,489 | )
Denominator |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted average common shares |  |  | 535,531 |  |  |  | 525,243 |  |  |  | 534,819 |  |  |  | 524,218 |
Dilutive restricted stock units, warrants and deferred shares |  |  | 6,731 |  |  |  | — |  |  |  | 6,649 |  |  |  | — |
Diluted weighted average common shares |  |  | 542,262 |  |  |  | 525,243 |  |  |  | 541,468 |  |  |  | 524,218 |
Basic income (loss) per common share (in cents) |  |  | 0.1 |  |  |  | (2.7 | ) |  |  | 3.6 |  |  |  | (6.0 | )
Diluted income (loss) per common share (in cents) |  |  | 0.1 |  |  |  | (2.7 | ) |  |  | 3.6 |  |  |  | (6.0 | )

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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