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Note 5 - Loss Per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2023
Table Text Block [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | The following table represents net loss per common share – basic and diluted (in thousands, except income (loss) per share):
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Numerator |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | (22,415 | ) |  | $ | (23,526 | ) |  | $ | (41,282 | ) |  | $ | (32,896 | )
Preferred stock dividends |  |  | (138 | ) |  |  | (138 | ) |  |  | (414 | ) |  |  | (414 | )
Net loss applicable to common stockholders |  | $ | (22,553 | ) |  | $ | (23,664 | ) |  | $ | (41,696 | ) |  | $ | (33,310 | )
Denominator |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted average common shares |  |  | 607,896 |  |  |  | 554,531 |  |  |  | 604,028 |  |  |  | 544,000 |
Dilutive restricted stock units, warrants and deferred shares |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Diluted weighted average common shares |  |  | 607,896 |  |  |  | 554,531 |  |  |  | 604,028 |  |  |  | 544,000 |
Basic loss per common share |  | $ | (0.04 | ) |  | $ | (0.04 | ) |  | $ | (0.07 | ) |  | $ | (0.06 | )
Diluted loss per common share |  | $ | (0.04 | ) |  | $ | (0.04 | ) |  | $ | (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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