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Note 5 - Income (Loss) Per Common Share (Tables) | 3 Months Ended
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Mar. 31, 2021
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended March 31, |
|  | 2021 |  |  | 2020 |
Numerator |  |  |  |  |  |  |  |
Net income (loss) |  | $ | 18,971 |  |  | $ | (17,185 | )
Preferred stock dividends |  |  | (138 | ) |  |  | (138 | )
Net income (loss) applicable to common shares |  | $ | 18,833 |  |  | $ | (17,323 | )
Denominator |  |  |  |  |  |  |  |
Basic weighted average common shares |  |  | 534,101 |  |  |  | 523,215 |
Dilutive restricted stock units, warrants and deferred shares |  |  | 6,426 |  |  |  | — |
Diluted weighted average common shares |  |  | 540,527 |  |  |  | 523,215 |
Basic income (loss) per common share |  | $ | 0.04 |  |  | $ | (0.03 | )
Diluted income (loss) per common share |  | $ | 0.03 |  |  | $ | (0.03 | )

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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=6371337&loc=d3e3550-109257 + Details
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