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Note 11 - Net Loss Per Share (Tables) | 6 Months Ended
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Jun. 30, 2025
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss attributable to common stockholders |  | $ | (9,270 | ) |  | $ | (7,987 | ) |  | $ | (17,286 | ) |  | $ | (18,206 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding - Basic |  |  | 19,125,970 |  |  |  | 6,874,454 |  |  |  | 18,137,050 |  |  |  | 6,499,089 |
Weighted average common shares outstanding - Diluted |  |  | 19,125,970 |  |  |  | 6,874,454 |  |  |  | 18,137,050 |  |  |  | 6,499,089 |
Net loss per share attributable to common stockholders - Basic and Diluted |  | $ | (0.48 | ) |  | $ | (1.16 | ) |  | $ | (0.95 | ) |  | $ | (2.80 | )
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] |
|  | Six months ended June 30, |
|  | 2025 |  |  | 2024 |
Common stock options issued and outstanding |  |  | 131,142 |  |  |  | 144,287 |
Unvested restricted stock units |  |  | 747,470 |  |  |  | 715,297 |
Warrants |  |  | 1,124,706 |  |  |  | 319,443 |
Common Stock Purchase Agreements |  |  | 27,572,156 |  |  |  | 206,780 |
Conversion of convertible note |  |  | 1,790,955 |  |  |  | 75,469 |
ESPP |  |  | 18,513 |  |  |  | 30,679 |
Total |  |  | 31,384,942 |  |  |  | 1,491,955 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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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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