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Note 8 - (Loss) Income per Common Share (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes To Financial Statements [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Year ended December 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Numerator |  |  |  |  |  |  |  |  |  |  |  |
Net (loss) income |  | $ | (84,217 | ) |  | $ | (37,348 | ) |  | $ | 35,095 |
Preferred stock dividends |  |  | (552 | ) |  |  | (552 | ) |  |  | (552 | )
Net (loss) income applicable to common stockholders |  | $ | (84,769 | ) |  | $ | (37,900 | ) |  | $ | 34,543 |
Denominator |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted average common shares |  |  | 605,668 |  |  |  | 557,344 |  |  |  | 536,192 |
Dilutive stock options, restricted stock units, and warrants |  |  | — |  |  |  | — |  |  |  | 5,984 |
Diluted weighted average common shares |  |  | 605,668 |  |  |  | 557,344 |  |  |  | 542,176 |
Basic (loss) income per common share |  | $ | (0.14 | ) |  | $ | (0.07 | ) |  | $ | 0.06 |
Diluted (loss) income per common share |  | $ | (0.14 | ) |  | $ | (0.07 | ) |  | $ | 0.06 |

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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 -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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